Shall and will

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Shall and will are two of the

of English.

Historically,

, and will in other cases (e.g., "On Sunday, we shall go to church, and the preacher will read the Bible.") This rule is no longer commonly adhered to by any group of English speakers, and will has essentially replaced shall in nearly all contexts.

Shall is, however, still widely used in bureaucratic documents, especially documents written by lawyers. Owing its use in varying legal contexts, its meaning can be ambiguous; the

Etymology

See also:

English modal verbs § Etymology

The verb shall derives from

, representing either simple futurity, or necessity or obligation.

The verb will derives from Old English willan, meaning to want or wish. Cognates include Old Norse vilja, German wollen (ich/er/sie will, meaning I/he/she want/s to), Dutch willen, Gothic wiljan. It also has relatives in non-Germanic languages, such as Latin velle ("wish for") and voluptas ("pleasure"), and Polish woleć ("prefer"). All of these forms derive from the e-grade or o-grade of Indo-European *wel-, meaning to wish for or desire. Within English, the modal verb will is also related to the noun will and the regular lexical verb will (as in "She willed him on").

Early Germanic did not inherit any

moet.)

Both shall and will come from verbs that had the

.

Both verbs also have their own preterite (past) forms, namely should and would, which derive from the actual preterites of the Old English verbs (made using the dental suffix that forms the preterites of weak verbs). These forms have developed a range of meanings, frequently independent of those of shall and will (as described in the section on should and would below). Aside from this, though, shall and will (like the other modals) are defective verbs – they do not have other grammatical forms such as infinitives, imperatives or participles. (For instance, I want to will eat something or He's shalling go to sleep do not exist.)

Both shall and will may be

.

The pronunciation of will is

).

Specific uses of shall or will

The

Although when used purely as future markers they are largely interchangeable (as will be discussed in the following sections), each of the two verbs also has certain specific uses in which it cannot be replaced by the other without change of meaning.

The most common specific use of shall in everyday English is in questions that serve as offers or suggestions: "Shall I ...?" or "Shall we ...?" These are discussed under § Questions below.

In statements, shall has the specific use of expressing an order or instruction, normally in elevated or formal register. This use can blend with the usage of shall to express futurity, and is therefore discussed in detail below under § Colored uses.

Will (but not shall) is used to express habitual action, often (but not exclusively) action that the speaker finds annoying:

• He will bite his nails, whatever I say.
• He will often stand on his head.

Similarly, will is used to express something that can be expected to happen in a general case, or something that is highly likely at the present time:

• A coat will last two years when properly cared for.
• That will be Mo at the door.

The other main specific implication of will is to express willingness, desire or intention. This blends with its usage in expressing futurity, and is discussed under § Colored uses. For its use in questions about the future, see § Questions.

Both shall and will can be used to mark a circumstance as occurring in future time; this construction is often referred to as the future tense of English. For example:

• Will they be here tomorrow?
• I shall grow old some day.
• Shall we go for dinner?

When will or shall directly governs the infinitive of the main verb, as in the above examples, the construction is called the

.

The verbs will and shall, when used as future markers, are largely interchangeable with regard to literal meaning. Generally, however, will is far more common than shall. Use of shall is normally a marked usage, typically indicating formality or seriousness and (if not used with a first person subject) expressing a colored meaning as described below. In most dialects of English, the use of shall as a future marker is viewed as archaic.^[9]

Will is ambiguous in first-person statements, and shall is ambiguous in second- and third-person statements. A rule of prescriptive grammar was created to remove these ambiguities, but it requires that the hearer or reader understand the rule followed by the speaker or writer, which is usually not the case. According to this rule, when expressing futurity and nothing more, the auxiliary shall is to be used with first person subjects (I and we), and will is to be used in other instances. Using will with the first person or shall with the second or third person is asserted to indicate some additional meaning in addition to plain futurity. In practice, however, this rule is not observed – the two auxiliaries are used interchangeably, with will being far more common than shall. This is discussed in more detail in the following sections.

According to

.

An influential proponent of the prescriptive rule that shall is to be used as the usual future marker in the first person was John Wallis. In Grammatica Linguae Anglicanae (1653) he wrote: "The rule is [...] to express a future event without emotional overtones, one should say I shall, we shall, but you/he/she/they will; conversely, for emphasis, willfulness, or insistence, one should say I/we will, but you/he/she/they shall".

, 2002, says of the rule for the use of shall and will: "it is unlikely that this rule has ever had any consistent basis of authority in actual usage, and many examples of [British] English in print disregard it".

Nonetheless, even among speakers (the majority) who do not follow the rule about using shall as the unmarked form in the first person, there is still a tendency to use shall and will to express different shades of meaning (reflecting aspects of their original

Old English

senses). Thus shall is used with the meaning of obligation, and will with the meaning of desire or intention.

An illustration of the supposed contrast between shall and will (when the prescriptive rule is adhered to) appeared in the 19th century,[11] and has been repeated in the 20th century^[12] and in the 21st:^[13]

• I shall drown; no one will save me! (expresses the expectation of drowning, simple expression of future occurrence)
• I will drown; no one shall save me! (expresses suicidal intent: first-person will for desire, third-person shall for command)

An example of this distinction in writing occurs in Henry James's 1893 short story The Middle Years:

"Don't you know?—I want to what they call 'live.'"

The young man, for good-by, had taken his hand, which closed with a certain force. They looked at each other hard a moment. "You will live," said Dr. Hugh.

"Don't be superficial. It's too serious!"

"You shall live!" Dencombe's visitor declared, turning pale.

"Ah, that's better!" And as he retired the invalid, with a troubled laugh, sank gratefully back.^[14]

A more popular illustration of the use of "shall" with the second person to express determination occurs in the oft-quoted words the fairy godmother traditionally says to Cinderella in British versions of the well-known fairy tale: "You shall go to the ball, Cinderella!"

Another popular illustration is in the dramatic scene from The Lord of the Rings: The Fellowship of the Ring when Gandalf checks the Balrog's advance with magisterial censure, "You shall not pass!"

The use of shall as the usual future marker^{[dubious – discuss]} in the first person nevertheless persists in some more formal or elevated registers of English. An example is provided by the famous speech of Winston Churchill: "We shall fight on the beaches, we shall fight on the landing grounds, we shall fight in the fields and in the streets, we shall fight in the hills; we shall never surrender.'"

Whether or not the above-mentioned prescriptive rule (shall for the unmarked future in the first person) is adhered to, there are certain meanings in which either will or shall tends to be used rather than the other. Some of these have already been mentioned (see the Specific uses section). However, there are also cases in which the meaning being expressed combines plain futurity with some additional implication; these can be referred to as "colored" uses of the future markers.

Thus shall may be used (particularly in the second and third persons) to imply a command, promise or threat made by the speaker (i.e., that the future event denoted represents the will of the speaker rather than that of the subject). For example:

• You shall regret it before long. (speaker's threat)
• You shall not pass! (speaker's command)
• You shall go to the ball. (speaker's promise)

In the above sentences, shall might be replaced by will without change of intended meaning, although the form with will could also be interpreted as a plain statement about the expected future. The use of shall is often associated with formality and/or seriousness, in addition to the coloring of the meaning. For some specific cases of its formal use, see the sections below on § Legal use and § Technical specifications.

(Another, generally archaic, use of shall is in certain dependent clauses with future reference, as in "The prize is to be given to whoever shall have done the best." More normal here in modern English is the simple present tense: "whoever does the best"; see Uses of English verb forms § Dependent clauses.)

On the other hand, will can be used (in the first person) to emphasize the willingness, desire or intention of the speaker:

• I will lend you £10,000 at 5% (the speaker is willing to make the loan, but it will not necessarily be made)
• I will have my way.

Most speakers have will as the future marker in any case, but when the meaning is as above, even those who follow or are influenced by the prescriptive rule would tend to use will (rather than the shall that they would use with a first person subject for the uncolored future).

The division of uses of will and shall is somewhat different in questions than in statements; see the following section for details.

In questions, the traditional prescriptive usage is that the auxiliary used should be the one expected in the answer. Hence in enquiring factually about the future, one could ask: "Shall you accompany me?" (to accord with the expected answer "I shall", since the rule prescribes shall as the uncolored future marker in the first person). To use will instead would turn the question into a request. In practice, however, shall is almost never used in questions of this type. To mark a factual question as distinct from a request, the going-to future (or just the present tense) can be used: "Are you going to accompany me?" (or "Are you accompanying me?").

The chief use of shall in questions is with a first person subject (I or we), to make offers and suggestions, or request suggestions or instructions:

• Shall I open a window?
• Shall we dance?
• Where shall we go today?
• What shall I do next?

This is common in the UK and other parts of the English-speaking world; it is also found in the United States, but there should is often a less marked alternative. Normally the use of will in such questions would change the meaning to a simple request for information: "Shall I play goalkeeper?" is an offer or suggestion, while "Will I play goalkeeper?" is just a question about the expected future situation.

The above meaning of shall is generally confined to

(even if not reported in the past tense), shall is likely to be replaced by should or another modal verb such as might: "She is asking if she should open a window"; "He asked if they might dance."

The auxiliary will can therefore be used in questions either simply to enquire about what is expected to occur in the future, or (especially with the second person subject you) to make a request:

• Where will tomorrow's match be played? (factual enquiry)
• Will the new director do a good job? (enquiry for opinion)
• Will I put on the radio? (enquiry for confirmation to act)
• Will you marry me? (request)

Legislative acts and contracts sometimes use "shall" and "shall not" to express mandatory action and prohibition. However, it is sometimes used to mean "may" or "can". The most famous example of both of these uses of the word "shall" is the United States Constitution. Claims that "shall" is used to denote a fact, or is not used with the above different meanings, have caused discussions and have significant consequences for interpreting the text's intended meaning.^[17] Lawsuits over the word's meaning are also common.^[1]

In many requirement specifications, particularly involving software, the words shall and will have special meanings. Most requirement specifications use the word shall to denote something that is required, while reserving the will for simple statement about the future (especially since "going to" is typically seen as too informal for legal contexts). However, some documents deviate from this convention and use the words shall, will, and should to denote the strength of the requirement. Some requirement specifications will define the terms at the beginning of the document.

Shall and will are distinguished by NASA^[18] and Wikiversity^[19] as follows:

• Shall is usually used to state a device or system's requirements. For example: "The selected generator shall provide a minimum of 80 Kilowatts."
• Will is generally used to state a device or system's purpose. For example, "The new generator will be used to power the operations tent."

On standards published by

On specifications and standards published by the United States Department of Defense (DoD), requirements with "shall" are the mandatory requirements. ("Must" shall not be used to express mandatory provisions. Use the term "shall".) "Will" declares intent or simple futurity, and "should" and "may" express nonmandatory provisions.^[22][23][24]

Outside DoD, other parts of the U.S. government advise against using the word shall for three reasons: it lacks a single clear meaning, it causes litigation, and it is nearly absent from ordinary speech. The legal reference Words and Phrases dedicates 76 pages to summarizing hundreds of lawsuits that centered around the meaning of the word shall. When referencing a legal or technical requirement, Words and Phrases instead favors must while reserving should for recommendations.^[1]

As noted above, should and would originated as the preterite (past tense) forms of shall and will. In some of their uses they can still be identified as past (or conditional) forms of those verbs, but they have also developed some specific meanings of their own.

The main use of should in modern English is as a synonym of

, expressing quasi-obligation, appropriateness, or expectation (it cannot be replaced by would in these meanings). Examples:

• You should not say such things. (it is wrong to do so)
• He should move his pawn. (it is optimal to do so)
• Why should you suspect me? (for what reason is it proper to suspect me?)
• You should have enough time to finish the work. (a prediction)
• I should be able to come. (a prediction, implies some uncertainty)
• There should be some cheese in the kitchen. (expectation)

Other specific uses of should involve the expression of irrealis mood:

• in condition clauses (protasis), e.g., "If it should rain" or "Should it rain"; see English conditional sentences
• as an alternative to the subjunctive, e.g., "It is important that he (should) leave"; see English subjunctive

The main use of would is in conditional clauses (described in detail in the article on English conditional sentences):

• I would not be here if you hadn't summoned me.

In this use, would is sometimes (though rarely) replaced by should when the subject is in the first person (by virtue of the same prescriptive rule that demands shall rather than will as the normal future marker for that person). This should is found in stock phrases such as "I should think" and "I should expect". However its use in more general cases is old-fashioned or highly formal, and can give rise to ambiguity with the more common use of should to mean ought to. This is illustrated by the following sentences:

• You would apologize if you saw him. (pure conditional, stating what would happen)
• You should apologize if you see him. (states what would be proper)
• I would apologize if I saw him. (pure conditional)
• I should apologize if I saw him. (possibly a formal variant of the above, but may be understood to be stating what is proper)

In archaic usage would has been used to indicate present time desire. "Would that I were dead" means "I wish I were dead". "I would fain" means "I would gladly".

More details of the usage of should, would and other related auxiliaries can be found in the article on

.

When would and should function as past tenses of will and shall, their usage tends to correspond to that of the latter verbs (would is used analogously to will, and should to shall).

Thus would and should can be used with "

" meaning, to express what was expected to happen, or what in fact did happen, after some past time of reference. The use of should here (like that of shall as a plain future marker) is much less common and is generally confined to the first person. Examples:

• He left Bath in 1890, and would never return. (in fact he never returned after that)
• It seemed that it would rain. (rain was expected)
• Little did I know that I would (rarer: should) see her again the very next day.

Would can also be used as the past equivalent of will in its other specific uses, such as in expressing habitual actions (see English markers of habitual aspect#Would):

• Last summer we would go fishing a lot. (i.e., we
  used to
  go fishing a lot)

In particular, would and should are used as the past equivalents of will and shall in indirect speech reported in the past tense:

• The ladder will fall. → He said that the ladder would fall.
• You shall obey me! → He said that I should obey him.
• I shall go swimming this afternoon. → I said that I should go swimming in the afternoon.

As with the conditional use referred to above, the use of should in such instances can lead to ambiguity; in the last example it is not clear whether the original statement was shall (expressing plain future) or should (meaning "ought to"). Similarly "The archbishop said that we should all sin from time to time" is intended to report the pronouncement that "We shall all sin from time to time" (where shall denotes simple futurity), but instead gives the highly misleading impression that the original word was should (meaning "ought to").

• English verbs
• Grammatical person

External links

Look up will in Wiktionary, the free dictionary.

Look up shall in Wiktionary, the free dictionary.

• On the Use of the Verbs shall and will. By Professor De Morgan
• On the Use of Shall and Will. By Hensleigh Wedgwood, Esq.
• "Shall and Will". Fowler, H. W. 1908. The King's English - thorough discussion on the subject
• Complete descriptions of the English Tenses
• Webster 1913 - Entry for Shall
• "The Origins of some Prescriptive Grammar Rules" - quoting The Origins and Development of the English Language, Pyles and Algeo, 1993
• The Rise of Prescriptivism in English (PDF format)
• Verbs in English Grammar