Complete the following sentences using an appropriate modal auxiliary verb.
1. I don’t know if I …………………. be able to go.
a) will
b) can
c) should
2. You ………………… . to love your country.
a) should
b) ought
c) must
3. Where …………………. she have gone?
a) can
b) could
c) Either could be used here
4. I wish you …………………. tell me earlier.
a) will
b) would
c) should
5. …………………… I open the window?
a) Will
b) Should
c) Would
6. You …………………. play with fire.
a) must not
b) need not
c) should not
7. He ………………… play cricket when he was young.
a) used
b) is used
c) used to
8. How ………………. you call me names?
a) will
b) dare
c) must
Answers
1. I don’t know if I will be able to go.
2. You ought to love your country. (The modal auxiliaries ‘ought’ and ‘used’ are used with ‘to’.)
3. Where can / could she have gone?
4. I wish you would tell me earlier.
5. Should I open the window?
6. You must not play with fire. (Use ‘must not’ to indicate prohibition.)
7. He used to play cricket when he was young. (Use ‘used to’ to talk about past habits.)
8. How dare you call me names?