## Step 6 - Grammar

Grammar
Let’s look at must/have to.
Look at these sentences:
We have a new art teacher. We have to do our homework.
The exhibition is fantastic. You must see it!
Complete the rules:

1. We use must /have to* when we are talking about something that is necessary/very important to do.
2. We use have to/must* when we are obliged (we have no choice) to do something.
3. You can use must/have to/both* when you think something is necessary especially if you are saying what you think.
4. Use must/have to* when it is a fact, or when you are not giving your opinion.

* Delete if not applicable
Which sentences are correct? Write down.

1. What a super film! You must see it!
2. You have to paint the sky blue!
3. I must take my medicine now.
4. Sorry we’re late. We had to go to the garage.
5. All nurses at this hospital must work at weekends.
6. Jacqueline must go to the gallery at 3pm.

In this exercise put the words in the right order to make a sentence with must / have to.

You can check out the theory of must / have to in the Grammar Desk.

KB: Modals of Necessity