Definition

This word is used to express ability or permission in the past, show politeness, or indicate a hypothetical situation.

Example

I could help you with your homework if you want.

Tense Forms

Conversation

Do you think I could join your team for the project?

Of course! We’d love to have you on board.

Thanks! I wasn't sure if I could meet the deadlines.

No worries, we can help each other out.

Synonyms & Antonyms

Root Explanation

The word 'could' originates from Old English 'cūþe', which is the past tense of 'cunnan', meaning to know or to be able. It reflects the ability or possibility of doing something in the past.

Memory Tip

Think of 'cunnan' meaning to know or be able — this helps you remember that 'could' expresses the ability to do something.

Visually Confused Words