Can, Can't, Could and Couldn't

I ______ deal with difficult customers: I'm not patient.

I ______ finish the report tonight. I my computer doesn't work.

• couldn't

• can't

• to can

• am able to

We _____ meet yesterday. I was very busy.

• can't

• can to

• couldn't

• could

_____ use your computer?

• Can't

• be able to

• Can

• Could

___ you show me how to use the new software? I wasn't in the training.

______ come in an hour earlier tomorrow? (polite request)

• Could

• could

• can

• Can't

_____ you tell me more about your work experience?

• Could

• Can

• Can't

• Couldn't

We _____ to finish the report on time. We finished two hours before the due time.

• could

• can't

• were able

• couldn't

______ you submit the sales report by Friday? (polite request)

• Can

• Could

• can't

• be able to

I _____ type 1000 words per minute last year. Now I ___ type 1500.

• couldn't

  can't

• couldn't

  can

• could

  can

• can

  couldn't