Future perfect and future perfect continuous
1. By the time we get to Chicago this evening, we
(drive)
more than four hundred miles. We are going to be exhausted.
2. When Sarah goes on vacation next month, she
(study)
German for over two years. She should be able to communicate fairly well while she is in Austria.
3. I have not traveled much yet; however,
(visit) the Grand Canyon and
San Francisco by the time I leave the United States.
4. By the time you finish studying the verb tense tutorial, you
(master)
twelve tenses including their passive forms.
5. Drive faster! If you don't hurry up, she
(have) the baby by the time we
get to the hospital