CAN - COULD

Front

What is the primary use of 'can' in English grammar?

Back

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

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Front

What is the primary use of 'could' in English grammar?

Back

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

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

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 swim?'

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

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 help me?'

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Front

What is the difference between 'can' and 'could' when expressing ability?

Back

'Can' refers to present ability, while 'could' refers to past ability.

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Front

Provide an example of a polite request using 'could'.

Back

'Could you please pass the salt?'

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Front

How do you express inability in the past using 'could'?

Back

Use 'couldn't' to express inability in the past, e.g., 'I couldn't swim when I was younger.'

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Front

What is a common structure for asking about permission using 'can'?

Back

A common structure is 'Can I [verb]?', e.g., 'Can I leave early?'

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Front

What is a common structure for asking about permission using 'could'?

Back

A common structure is 'Could I [verb]?', e.g., 'Could I borrow your pen?'

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Front

How can 'can' be used to express possibility?

Back

'Can' can indicate that something is possible, e.g., 'It can rain tomorrow.'

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B