Exercise 2

Write affirmative (+) and negative (-) sentences using can, can’t with the words below.

1 She / dance / very well. ⇒ She .

2 I / finish / the composition for tomorrow. ⇒ I for tomorrow.

3 You / park / your car here. ⇒ You here.

4 Jim / come / to the concert with us. ⇒ Jim with us.

5 She / meet / you at 7. ⇒ She .

6 You / use / this app to view documents. ⇒ You to view documents.

7 We / lose / this match. ⇒ We .

8 They / understand / my decision. ⇒ They .

9 She / stay / at my house tonight. ⇒ She tonight.

10 You / see / the sea from the balcony. ⇒ You from the balcony.



can, can’t – grammar chart

can, can't – ability, possibility, permission

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can, can’t – form


Infinitive without to

We use caninfinitive without to.

  • I can swim(NOT I can to swim.)
  • We can’t come. (NOT We can’t to come.)


No -s after he/she/it

We don’t add -s after he/she/it. We use can for all persons.

  • He can swim. (NOT He cans swim).


No do/don’t

Can is an auxiliary verb and has a negative and interrogative form. We don’t use do/don’t to make questions and negatives.

  • Can you swim? (NOT Do you can swim?)
  • He can’t swim. (NOT He don’t can swim.)


can, can’t – use



We use can/can’t to talk about ability in the present (=things that we know how to do).

  • Laura can sing very well. 
  • I can’t speak German. 



We use can/can’t to ask for permission or to say if something is possible or not.

  • Can I sit here?
  • You can’t vote if you aren’t 18 years old. 
  • I’m sorry but I can’t come to the party. 


Ask for something

We use can/can’t to ask for something and to order in bars, restaurants, shops, etc.

  • Can you lend me some money?
  • Can I have some water, please?
  • Can I have a burger and a soda?