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Future Perfect/Future Perfect Continuous
1.By the time we get to Chikago 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 Australia.
3.I have not traveled much yet; however, I_(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) all 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.​