These verbs are the modal verbs:

This is the meaninig of this modal verb: it's a good idea.

this is the meanng of this modal verb: don't do it, it's not allowed.

Choose the correct verb to complete the tips.

You _____ keep anything that you don't use regularly.

You _____ throw things out if you don't use them.

I _____ help ypu to tidy up ypur room if you want.

You ______ keep all this clothes on the sofa! It's so untidy.

A: I've got a headache

B: You ____ take an aspirin.

A: Why aren't you going to school tomorrow?

B: I _______ be at the hospital for a minor operation.