Understanding 'Can' and 'Could' Usage

The use of 'will' and 'would'.

The difference between 'can' and 'could'.

The difference between 'may' and 'might'.

The use of 'shall' and 'should'.

They can be late yesterday.

She can speak three languages.

I can swim when I was a child.

He can have gone to the party.

Past ability

Future possibility

Present ability

General possibility

She could swim every day.

The train could be late.

He could lift weights now.

You could have a cold if you go out in the rain.

You can be late yesterday.

You can have passed the exam.

You can catch a cold if you go out in the rain.

You can have gone to the party.

Can you try the new restaurant?

You can try the new restaurant.

You could try the new restaurant.

Could you try the new restaurant?

Could you pass me the salt, please?

You can pass me the salt.

Can you pass me the salt?

You could pass me the salt.

You could help with that.

Can I help you with that?

Could I help you with that, madam?

You can help with that.

Can I borrow your pen?

You could borrow my pen.

Could I borrow your pen, please?

You can borrow my pen.

To test understanding of 'shall' and 'should'.

To test understanding of 'will' and 'would'.

To test understanding of 'can' and 'could'.

To test understanding of 'may' and 'might'.