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.​