First, let’s review how to use modal verbs. In Use of English 1-2, we practiced using should (not), ought (not) to, might, and could to give suggestions. Here are ten modal verbs in English:
- can
- could
- may
- might
- shall
- should
- will
- would
- must
- ought to
To use Modal Verbs correctly, follow these rules:
- They do not change forms like other verbs:
- go, goes, went, gone / look, looks, looked, looked.
- There is no do / does in the question forms.
- Can you give me a hand?
- There is no don't / doesn't in the negative forms.
- He shouldn't do that.
- They are always followed by a base form verb. Ought to is the only exception as it takes to or not to before the verb.
- We would help you with your application if we had time.
- She mustn't vote for him!
- We ought to get all of our community members together.
- They do not usually have past or gerund forms. Other verbs are used instead.
- I hate having to pay taxes. (must)
- I was able to get in contact with my community centre. (can)
Modal Verbs of Ability
Can, can’t/cannot
We use the modal verb can to express present and future ability.
- She can always find something fun to do.
- The Director can see you tomorrow.
- I can’t / cannot understand this form.
- I can’t / cannot take my citizenship test tomorrow.
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