Other uses of auxiliary verbs

Other uses of auxiliary verbs
1. In questions tags.
It’scold today, isn t it?
You don t understand, do you?
You haven t been to China, have you?
2 In short answers. Yes or No alone can sound abrupt.
Are you hungry? No, I m not.
Do you like jazz? Yes, I do.
Did you have a nice meal? Yes, we did.
Has she seen the mess? No, she hasn t.
3 In reply questions. These are not real questions. They are used to
Show that the listener is paying attention and is interested. they are
Practiced on p33 of the Student s Book.
the party was awful. was it? What a pity.
I love hamburgers. Do you? I hate them.
I ve bought you a present. Have you? How kind!
Modal auxiliary verbs
These are the modal auxiliary verbs.
Can could may might will would shall should must ought to need
They are auxiliary verbs because they help other verbs. They are different from be, do, and have because they have their own meanings.
He must be at least 70. (= probably)
You must try harder. (=obligation)
Can you help me? (= request)
She can t have got my letter. (= probably)
I ll help you. (= willingness)
(ring) That ll be the postman. (= probably)
Full verbs
Full verbs are the other verbs in the language.
Run walk eat love go talk write
The verbs b d, do, and have can also be used full verbs with their own meanings.
Have you been to school today?
I want to be an engineer.
I do a lot of business in Russia.
They are having a row.
Have you had enough to eat?