Page 91 - English Grammar - 7

� in the imperative to make a request or an invitation more persuasive. For example:
Do be quiet.
O
Oh, do come! It’s going to be fun.
O

Practice Time 1

A. Fill in the blanks with appropriate auxiliary verbs.
1. The students _______________ to go back home yesterday.

2. They _______________ not drive down to the market on Sunday.
3. I _______________ to tell you that story.

4. He _______________ to give a talk about the environment.
5. They _______________ working on a project.

6. We _______________ to be married next month.
7. You met him, _______________ you?

8. _______________ he have to go?

B. Use the given words and form sentences or questions with am, are or is.
1. Crow/thirsty _____________________________________________.

2. He/not/office _____________________________________________.
3. You/not from/India _____________________________________________?

4. They/not nice _____________________________________________.
5. Her name/Geeta _____________________________________________.

Let’s Learn Modal Verbs

Modal verbs are also auxiliary verbs. They are used before the main verbs to express
permission, possibility, certainty, and necessity.

Modal verbs never change their form (do not take -s in the third person singular form).
They have no infinitive or -ing forms.
Some common modals are can, may, could, might, will, shall, should, would.

Can Auxiliary Verbs
Can is generally used:

� to express an ability. For example:
I can open the door though it is jammed.
O
Can you give me ten minutes?
O
� to say that somebody knows how to do something. For example:

My father can speak Latin.
O
I can cook.
O
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