Can vs Could

Front

What is the primary difference between 'can' and 'could'?

Back

'Can' is used to express ability or possibility in the present, while 'could' is used for past ability or possibility.

Front

In what context would you use 'can'?

Back

'Can' is used to indicate someone's ability to do something in the present or to ask for permission.

Front

Provide an example of 'can' used in a sentence.

Back

She can play the piano.

Front

Provide an example of 'could' used in a sentence.

Back

When I was a child, I could climb trees.

Front

What does 'can't' signify in a sentence?

Back

'Can't' is a contraction of 'cannot' and indicates inability or prohibition.

Front

How do you form a question using 'can'?

Back

To form a question with 'can', invert the subject and 'can', e.g., 'Can you help me?'

Front

How do you form a question using 'could'?

Back

To form a question with 'could', invert the subject and 'could', e.g., 'Could you pass the salt?'

Front

What is the past tense of 'can'?

Back

The past tense of 'can' is 'could'.

Front

When should 'could' be used in a conditional sentence?

Back

'Could' is used in conditional sentences to express a hypothetical situation, e.g., 'If I had time, I could help you.'

Front

What is an example of a prohibition using 'can't'?

Back

You can't park here; it's forbidden.