HomeGrammarGrammar worksheets and testBeginnerModals: can/can't, could, will, shall

Modals: can/can't, could, will, shall


Introduction - "can"

We use "can":

Form - "can"

We use "can" + infinitive of the main verb (without "to").

Positive I
You
We
They
She / He / It
can run very fast.
Negative can't
cannot

question Can I
you
we
they
he / she / it
run very fast?
answer Yes, can.
No, can't.
cannot.

Practice

Complete the sentences using the correct form of "can" and the verb in brackets:

  • They my car this week. (not repair)
     
  • You my pen. (borrow)
     
  • you Russian? (speak)
     
  • We the bus. It's cheaper than the train. (take)
     

Introduction - "could"

We use "could":

Form - "could"

We use "could" + infinitive of the main verb (without "to").

Positive I
You
We
They
She / He / It
could buy the tickets.
Negative couldn't
could not

question Could I
you
we
they
he / she / it
buy the tickets?
answer Yes, could.
No, couldn't.

Practice

Complete the sentences using the correct form of "could" and the verb in brackets:

  • We to France next year. (go)
     
  • you the bag upstairs, please? (take)
     
  • I looked for the keys but I them. (not find)
     
  • I very well when I was a child. (swim)
     

Further practice

Complete the sentences with the correct answer from a, b, c or d:



Check my answers

Related links

The following exercises include use of this grammar structure:
 
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