Front

What is the 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 polite requests.

Front

When do we use 'can' in a sentence?

Back

'Can' is used to express ability, permission, or possibility in the present.

Front

When do we use 'could' in a sentence?

Back

'Could' is used to express past ability, polite requests, or hypothetical situations.

Front

Provide an example of 'can' in a sentence.

Back

I can swim very well.

Front

Provide an example of 'could' in a sentence.

Back

When I was younger, I could run fast.

Front

What is the correct form: 'I can help you' or 'I can helps you'?

Back

'I can help you' is correct.

Front

How do you form a question using 'can'?

Back

You can form a question by inverting the subject and 'can', e.g., 'Can you help me?'.

Front

What is the negative form of 'can'?

Back

The negative form of 'can' is 'cannot' or 'can't'.

Front

What is the negative form of 'could'?

Back

The negative form of 'could' is 'could not' or 'couldn't'.

Front

How do you express a polite request using 'could'?

Back

You can say, 'Could you please pass the salt?'.