500
Write 4 modals in positive (+) and (-).
Make 1 positive (+) sentence, 1 negative (-) sentence, and 1 question (?) using modals.
Can, could, should, must, have to
Can't, couldn't, shouldn't, mustn't, don't/doesnt have to
You should be careful.
You mustn't throw waste in the sea.
Can you help me?