Use of HAVE TO, DON'T HAVE TO; SHOULD / SHOULDN'T; MUSTN'T

GRAMMAR: Have to / Don't have to

1. 1) Complete the RULE

• don't have to / have to

• Has to / doesn't has to

• have to / don't have to

'this is necessary'

2) I / you / we / they ____________ help.

• don't have to

• doesn't have to

• have to

'this is necessary'

3) He / she / it ___________ help.

• have to

• has to

• mustn't

'this isn't necessary'

4) I / you / we / they ___________ help.

• doesn't have to

• don't have to

• must

'this isn't necesarry'

5) He / she / it _____________ help.

• don't have to

• has to

• doesn't have to

'Let's make questions'

6) ______ I / you / we / they / have to study?

• Does

• Do

'Let's make questions'

7) _____ he / she / it have to study?

• Does

• Do

LEVEL 2: 'Match the sentences with the pictures'

8) The bus leaves in 20 minutes.

• He doesn't have to hurry.

• He has to hurry.

LEVEL 2: 'Match the sentences with the pictures'

9) The bus leaves in 20 minutes.

• He doesn't have to hurry.

• He has to hurry

LEVEL 3: 'Complete the sentences with HAVE TO / HAS TO / DON'T HAVE TO/ DOESN'T HAVE TO'

Our teacher doesn't like mobile phones.
10) We ___________ switch them off during lessons.

• has to

• have to

• doesn't have to