By 9 o'clock, we (finish) our homework.
we will have finished
They (leave) the classroom by the end of the hour
will have left
We (go) home by next week.
will have gone
(buy / he) the new house by October?
Will he have bought
The sun (not / rise) by 4 o'clock.
will not have risen/won't have risen
By the time we get to Chicago this evening, we (drive) more than four hundred miles. We are going to be exhausted.
will have driven
I have not traveled much yet; however, I (visit) the Grand Canyon and San Francisco by the time I leave the United States.
will have visited
By the time you finish studying this course, you (master) all twelve tenses including their passive forms.
will have mastered
Drive faster! If you don't hurry up, she (have) the baby by the time we get to the hospital.
will have had
Margie just called and said she would be here at 8 o'clock. By the time she gets here, we (wait) for her for two hours.
will have been waiting
Frank just changed jobs again. If he keeps this up, he (change) jobs at least four or five times by the end of the year.
will have changed
Come over to my house around 9 o'clock. By then, I (complete) my history essay and we can go see a movie.
will have completed
