Question

When do you use can vs could? I always get confused here.

Answer 1

Even though, can and could are quite similar, there are slight differences. Could is the past tense of can. Could could be considered more polite compared to can. Additionally, can is used more as an offer, and could is used more as a suggestion!

Step-by-step explanation:

Can you help me?

vs.

Could you help me?

I can help you.

vs.

I could help you.

Answer 2

Could is the past tense of can in most scenarios. I attached an image that provides further explanation.