Modal verbs (should / shouldn't, can / can not, may / may not, might / might not)

My favourite lesson is IT because we _______ work with computers.

You …….. eat fruits. It’s a good idea because they are rich in vitamins.

- Miss Alison, ....... I go out? I don't feel well.

- Yes, you may.

Excuse me. ___ I use this computer?

Therea re black clouds in the sky. It ....... rain today.

- I'm too fat!

- You ..... do sports.

- I've got a toothache.

- You ...... eat so many sweets and cakes.

I....... play tennis very well! I am good at playing tennis.

She ..... lift this box. It is too heavy!

It's dangerous to go into deep water if you ... swim.