In each of the following sentences an auxiliary verb is missing. Write the missing auxiliary verbs on a piece of paper and then check the following page for the answers.

EXERCISE

·  He _____ come to school yesterday because he was ill.

·  She _____ been working in the garden since two this afternoon.

·  He _____ finished his homework by the time arrived.

·  I'm afraid I _____ be able to come to the party. I have to study.

·  You've visited London, _____ you?

·  They _____ going to attend a meeting in Chicago next week.

·  Why _____ you buy that?! It's ugly!

·  She _____ often go to the movies.

·  He _____ watching TV. He's doing his homework at the moment.

·  They _____ been playing tennis for two hours.

·  I don't like country music.

·  - Neither _____ I.

·  They won't come to the party, _____ they?

·  Mom _____ been working for two hours when I telephoned.

·  I think they are fantastic! - So _____ she.

·  What _____ they doing?

·  Mary hasn't enjoyed herself so much for a long time. - Neither _____ I.

·  Mike _____ go on vacation last summer. He was too busy.

·  He's studying Russian this semester, _____ he?

·  I _____ just been to the bank.

·  How long _____ you been working for this company?

ANSWERS

·  He didn't come to school yesterday because he was ill.

·  She has been working in the garden since two this afternoon.

·  He had finished his homework by the time arrived.

·  I'm afraid I won't be able to come to the party. I have to study.

·  You've visited London, haven't you?

·  They're going to attend a meeting in Chicago next week.

·  Why did you buy that?! It's ugly!

·  She doesn't often go to the movies.

·  He isn't watching TV. He's doing his homework at the moment.

·  They've been playing tennis for two hours.

·  I don't like country music. - Neither do I.

·  They won't come to the party, will they?

·  Mom had been working for two hours when I telephoned.

·  I think they are fantastic! - So does she.

·  What are they doing?

·  Mary hasn't enjoyed herself so much for a long time.

·  - Neither have I.

·  Mike didn't go on vacation last summer. He was too busy.

·  He's studying Russian this semester, isn't he?

·  I've just been to the bank.

·  How long have you been working for this company?