1) Make the sentences interrogative and negative:

a) I have to take a taxi.

b) We are able to meet at 5 o'clock.

c) You may doit yourself.

2) Put the sentences in the Past and Future Tense:

a) You must tell us a story.

b) We can't go together.

c) She may take the book.

3) Use modal verbs or their equivalents:

a) ... you do this work now

b) I ... (not) to visit you next Sunday, because I ... to meet my brother.

c) As the weather was fine, we ... to go to the country.

d) They ... use a dictionary during their examp.

1) Make the sentences interrogative and negative:

a) I don't have to take a taxi. Do I have to take a taxi?

b) We aren't able to meet at 5 o'clock. Are we able to meet at 5 o'clock?

c) You may not do it yourself. May you do it yourself?

2) Put the sentences in the Past and Future Tense:

a) You had to tell us a story. You will have to tell us a story.

b) We couldn't go together. We won't be able to go together.

c) She might take the book. She will be allowed take the book.

3) Use modal verbs or their equivalents:

a) Could you do this work now

b) I won't be able to visit you next Sunday, because I have to meet my brother.

c) As the weather was fine, we would have to go to the country.

d) They can use a dictionary during their examp.