can, could, be able to

Front

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

Back

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

Front

When do we use 'be able to'?

Back

'Be able to' is used to express ability in specific situations, often in future or perfect tenses.

Front

Fill in the blank: I ___ swim when I was five years old.

Back

could

Front

Fill in the blank: She ___ finish the project by tomorrow if she works hard.

Back

will be able to

Front

What does 'can't' indicate?

Back

'Can't' indicates inability or impossibility.

Front

Fill in the blank: I ___ hear you; can you speak louder?

Back

can't

Front

Fill in the blank: He ___ play the guitar very well.

Back

can

Front

What is the past tense of 'can'?

Back

'Could' is the past tense of 'can'.

Front

Fill in the blank: ___ you help me with my homework?

Back

Can

Front

What does 'won't be able to' express?

Back

'Won't be able to' expresses future inability.