Modal Verbs of Obligation Exercise at Auto-English

Modal Verbs of Obligation Exercise at Auto-English

Check through the different uses.

TYPE 

USE

MODAL VERB

EXAMPLES

NOTES

1

obligation have to Marķa has to go to Rome. Must expresses more urgency than have to.
must You must see a doctor.
She had to see a doctor. Use only have to in verb tenses apart from THE PRESENT SIMPLE
2 no obligation don't have to He doesn't have to go.
3 prohibition mustn't You mustn't insult people.
4 recommendation should You shouldn't eat so quickly.
ought to You ought to phone your mother. Ought to is not used in the negative.

Decide which type of modal goes with each sentence and then fill the gaps with have to, must, should or ought to. When you see NEGATIVE,  the modal verb must be in a negative form.

TYPE

1

____

If you want to lose weight, you _____________ eat pasta, potatoes, white bread or white rice. NEGATIVE
2

____

It's alright. You _____________  come to Muriel's wedding if you don't want to. NEGATIVE
3

____

Stupid boy! You _____________ play with matches! NEGATIVE
4 ____ I haven't heard from Eleonora for ages. Maybe I _____________ give her a ring.
5 ____ You _____________ remember your passport. Otherwise they won't let you on the plane.
6 ____ The weather forecast says this weekend will be fine.  We _____________  go on a picnic.
7 ____ You _____________ go there on your own. It's extremely dangerous. NEGATIVE
8 ____ You _____________  come if you don't feel like it. NEGATIVE
9 ____ You _____________ take life so seriously. Relax a bit. NEGATIVE
10 ____ Orange juice in cartons has no goodness in it at all. You _____________ make it yourself.
11 ____ You _____________ drink and drive. NEGATIVE
12 ____ These instructions are difficult to follow. They _____________ to explain things better.

 

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Written by Bob Wilson ©Robert Clifford McNair Wilson 2005