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Modals

He will have been being neglected for years

Keeping track of tenses in English really should be easy, since English only has special verb forms for two kinds of tenses, present and past. We have seen this in the preceding sections where we encountered the present progressive< and the past progressive, the present passive and the past passive, the present perfect and the past perfect, and various monstrous combinations, also either past or perfect. We inherited this two tense system from Germanic, our immediate ancestor as a language. Some other languages in our family of languages (Indo-European) have verb endings for the future as well, which is very old-fashioned of them.

The Missing Future. What about the future in English? We have already noted that English can use adverbs in combination with present or progressive constructions to talk about future events. English also uses the expression be going to:

(1) I drove to Milwaukee tomorrow.
(2) I am driving to Milwaukee tomorrow.
(3) I am going to drive to Milwaukee.
(4) I am going to be driving to Milwaukee.

What school handbooks often call future tense, though, takes the modal auxiliary verb will (or sometimes shall) followed by the base form of the next verb in the sequence.

(5) I will drive to Milwaukee.
(6) I shall drive to Milwaukee.

Modals. The modal auxiliaries--can, could, may, might, must, shall, should, will, would--are the last set of auxiliaries left for us to discuss. Notice that, except for must, these all come in pairs which look suspiciously like present and past, though their uses don't have much to do with present and past time, and some linguists deny that modals have any tense. Although only will and shall get called the "future tense", any modal can indicate future time, especially when there is an appropriate adverb around:

(7) I can drive to Milwaukee tomorrow.
(8) I could drive to Milwaukee tomorrow.
(9) I may drive to Milwaukee tomorrow.
(10) I might drive to Milwaukee tomorrow.
(10) I must drive to Milwaukee tomorrow.
(11) I should drive to Milwaukee tomorrow.

Dare and need were also used as modals in older forms of English, but these days we more commonly use expressions like dare to, need to, have to, ought to. Like be going to, such expressions are sometimes called quasi-modals. The last three of these, at least, can also refer to future events or obligations:

(12) I have to drive to Milwaukee.
(13) I need to drive to Milwaukee.
(14) I ought to drive to Milwaukee.

Among the quasi-modals, ought to is the closest to being a true modal and is sometimes ranked as such. Unlike the others, it cannot have another modal in front of it:

(15) I may be going to drive to Milwaukee.
(16) I may dare to drive to Milwaukee.
(17) I may have to drive to Milwaukee.
(18) I may need to drive to Milwaukee.
(19) *I may ought to drive to Milwaukee.

When there is more than one auxiliary verb, the modal auxiliary always comes first, followed by the base form of the next verb. In terms of traditional grammar, sentence (20) is a future perfect progressive passive. It is for demonstration purposes only--do not attempt this kind of sentence at home:

(20) He will have been being neglected for years.

May/Might vs. Can/Could. The modal can carries the primary sense of "be able to," and it and could are often used in just that sense:

(21) I can't take any more.
(22) I couldn't love you more.
By extension, these modals are used for all kinds of questions of possibility and as a polite way of seeking permission:
(23) Can I have this dance?
(24) Could I take you dinner sometime?
This last use is an old and well-attested one, but it annoys those who would like the language to make more rigorous distinctions in word use. Those who feel this way would prescribe the use of may or might for all cases where permission is sought. They can often be used interchangeably, without regard to tense considerations, though in general the past forms of modals (could, might) appear somewhat more deferential:
(25) May I have this dance?
(26) Might I have this dance?
When it comes to questions, you might want to use may/might only in highly formal situations--or when asking an English teacher to dance. Notice, though, that they can also be used where the issue is simply possibility:
(27) I may have offended her.
(28) I might drop by your place later.

Will/Would, Shall/Should. At one time school texts insisted that shall should be used for the future with the first person singular and plural and will in all other cases:

(29) I shall see you soon.
(30) We shall have a drink or two before we go.
(31) He will lose his teeth that way.
(32) They will want to forget this game.
This usage survives, especially in British English, but Standard American English uses will in all such sentences, reserving shall for mandative uses, where it is much more forceful than either will or should--closer to must:
(33) Meetings shall be held on alternate Fridays.
Would is used in hypothetical futures, including polite requests, and is sometimes combined with like:
(34) I wouldn't do that if I were you.
(35) Would you get me a beer while you're up? (36) Would you like to sit down?.

Should is used interchangeably with ought to or as a less forceful form of must and the mandative shall, one that does not assume compliance:

(37) (a) The committee shall meet every week.
(b) The committee must meet every week.
(c) The committee ought to meet every week.
(d) The committee should meet every week.

Must. In addition to its obvious uses in conveying required or necessary actions, must can also be used to suggest that a statement is a necessary conclusion under the circumstances. The same is true of its somewhat less formal quasi-modal equivalent have to. If one treats the modals as having tense, as some grammarians do, must is always present, since there is no normal past equivalent for must. The sentences below show how it can be combined with the perfect aspect to produce one in such uses.

(38) (a) I must be crazy.
(b) I must have been crazy.
(39) (a) I have to be crazy
(b) I had to have been crazy.

Exercise 1: Using Modals

Identify any modal auxiliaries or quasi-modal constructions in the following sentences. How do they affect the meaning of the main verb?
1.01 I shall return.
1.02 I should have been a pair of ragged claws.
1.03 I have to go to the symphony tonight.
1.04 I must have been mistaken.
1.05 I am going to kill that guy one of these days.
1.06 I have known him for many years.
1.07 I can see clearly now.
1.08 I would like to take you out tonight.
1.09 I may be giving you a ring later.
1.10 I could not love you more than today I do.

The Modal Do Do is often counted as a modal; although it is unlike the modals mentioned so far, it certainly comes in the modal position when it is the emphatic do or is used in negative sentences. In such cases, the do is being used to display the tense, and it cannot occur with the other main auxiliaries or, in fact, with any other auxiliary.

(40) I did drive to Milwaukee.
(41) I did not drive to Milwaukee.
(42) *I may do drive to Milwaukee.

Just for the Record: Double Modals By most accounts, a Standard English sentence can have only one modal at a time. Various non-standard dialects, however, use might could and some other double modals, and use of these may be becoming more widespread. It is probably still safest to avoid them in formal writing.

How Much of This Will be on the Test?
This section has explained how English deals with future time and given you a lot of good advice on using the main modals--can, could, may, might, must, shall, should, will, would and some quasi-modals as well. You should be able to recognize these and even to list them from memory. It would be nice if you could recognize a double modal when you see it. If terms used here from earlier sections fail to stir your memory, consult the Glossary.