FUTURE PERFECT VS FUTURE PERFECT CONTINUOUS

Front

By the time you read this...

Back

I will have left.

Answer explanation

The correct choice is 'I will have left.' because it indicates a completed action by the time of reading. The other options suggest ongoing actions or obligations, which do not fit the context.

Front

I'm afraid the books you ordered.............. by Friday.

Back

won't have arrived

Answer explanation

The correct choice is "won't have arrived" because it indicates that the books are expected to not arrive by Friday, which aligns with the context of the sentence expressing concern about their arrival.

Front

By the time we get to Chicago this evening, we ......................... more than four hundred miles. We are going to be exhausted.

Back

will have driven

Answer explanation

The correct choice is 'will have driven' because it indicates a completed action by a specific future time. 'Will have been driving' suggests an ongoing action, which doesn't fit the context of reaching Chicago.

Front

When Sarah goes on vacation next month, she ................................... German for over two years.

Back

will have studied

Answer explanation

The correct choice is 'will have studied' because it indicates a completed action by the time Sarah goes on vacation. 'Will have been studying' suggests an ongoing action, which doesn't fit the context of her ability to communicate.

Front

I have not traveled much yet; however, I ...................................... the Grand Canyon and San Francisco by the time I leave the United States.

Back

will have visited

Answer explanation

The correct choice is 'will have visited' because it indicates a completed action by a future time, which fits the context of traveling to the Grand Canyon and San Francisco before leaving the U.S.

Front

By the time you finish studying the verb tense tutorial, you ............................................. all twelve tenses including their passive forms.

Back

will have mastered

Answer explanation

The correct choice is 'will have mastered' because it indicates completion of mastering all tenses by a future point in time. 'Will have been mastering' suggests an ongoing action, which doesn't fit the context.

Front

Drive faster! If you don't hurry up, she ........................... the baby by the time we get to the hospital.

Back

will have had

Answer explanation

The correct choice is 'will have had' because it indicates that by the time we arrive at the hospital, she will have completed the action of having the baby. 'Will have been having' suggests an ongoing action, which is not appropriate here.

Front

I came to England six months ago. I started my economics course three months ago. When I return to Australia, I ............................... for nine months and I ......................... in England for exactly one year.

Back

will have been studying, will have been

Answer explanation

The correct choice is 'will have been studying' because it indicates an ongoing action that will continue until a future point. 'Will have been' is used for the duration of time spent in England, making both parts consistent.

Front

Margie just called and said she would be here at 8 o'clock. By the time she gets here, we ........................................... for her for two hours.

Back

will have been waiting

Answer explanation

The correct choice is 'will have been waiting' because it indicates an ongoing action that will continue until Margie arrives, emphasizing the duration of waiting for two hours.

Front

Frank just changed jobs again. If he keeps this up, he .......................................... jobs at least four or five times by the end of the year.

Back

will have changed

Answer explanation

The correct choice is 'will have changed' because it indicates a completed action by a future point in time. Frank will have completed the action of changing jobs multiple times by the end of the year.