THE VERB MODALS
All the auxiliary verbs except be, do and have are called modals. Unlike other auxiliary verbs modals only exist in their helping form; they cannot act alone as the main verb in a sentence.
Be, do, and have also differ from the other auxiliaries in that they can also serve as ordinary verbs in a given sentence.
The modal verbs are:-
CAN /
COULD /
MAY /
MIGHT /
MUST /
SHALL /
SHOULD /
OUGHT TO /
WILL /
WOULD
Modal
|
Example
|
Uses
|
Can | They can control their own budgets. We can’t fix it.
Can I smoke here?
Can you help me? | Ability / Possibility Inability / Impossibility
Asking for permission
Request |
Could | Could I borrow your dictionary? Could you say it again more slowly?
We could try to fix it ourselves.
I think we could have another Gulf War.
He gave up his old job so he could work for us. | Asking for permission. Request
Suggestion
Future possibility
Ability in the past |
May | May I have another cup of coffee? China may become a major economic power. | Asking for permission Future possibility |
Might | We'd better phone tomorrow, they might be eating their dinner now.
They might give us a 10% discount. | Present possibility
Future possibility |
Must | We must say good-bye now. They mustn’t disrupt the work more than necessary. | Necessity / Obligation Prohibition |
Ought to | We ought to employ a professional writer. | Saying what’s right or correct |
Shall
(More common in the UK than the US)
| Shall I help you with your luggage? Shall we say 2.30 then?
Shall I do that or will you? | Offer Suggestion
Asking what to do |
Should | We should sort out this problem at once. I think we should check everything again.
Profits should increase next year. | Saying what’s right or correct Recommending action
Uncertain prediction |
Will | I can’t see any taxis so I’ll walk. I'll do that for you if you like.
I’ll get back to you first thing on Monday.
Profits will increase next year. | Instant decisions Offer
Promise
Certain prediction |
Would | Would you mind if I brought a colleague with me? Would you pass the salt please?
Would you mind waiting a moment?
"Would three o`clock suit you?" - "That’d be fine."
Would you like to play golf this Friday?
"Would you prefer tea or coffee?" - "I’d like tea please." | Asking for permission Request
Request
Making arrangements
Invitation
Preferences |
!Note The modal auxiliary verbs are
always followed by the base form.
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