<p><span>1. By the time we get to Chicago this evening, we (drive) </span><span id="GapSpan0" class="GapSpan">will have driven</span><span> more than four hundred miles. We are going to be exhausted. </span><br /><br /><span>2. When Sarah goes on vacation next month, she (study) </span><span id="GapSpan1" class="GapSpan">will have been studying</span><span> German for over two years. She should be able to communicate fairly well while she is in Austria. </span><br /><br /><span>3. I have not traveled much yet; however, I (visit) </span><span id="GapSpan2" class="GapSpan">will have visited</span><span> the Grand Canyon and San Francisco by the time I leave the United States. </span><br /><br /><span>4. By the time you finish studying the verb tense tutorial, you (master) </span><span id="GapSpan3" class="GapSpan">will have mastered</span><span> all twelve tenses including their passive forms. </span><br /><br /><span>5. Drive faster! If you don't hurry up, she (have) </span><span id="GapSpan4" class="GapSpan">will have had</span><span> the baby by the time we get to the hospital. </span><br /><br /><span>6. I came to England six months ago. I started my economics course three months ago. When I return to Australia, I (study) </span><span id="GapSpan5" class="GapSpan">will have been studying</span><span> for nine months and I (be) </span><span id="GapSpan6" class="GapSpan">will have been</span><span> in England for exactly one year. </span><br /><br /><span>7. Margie just called and said she would be here at 8 o'clock. By the time she gets here, we (wait) </span><span id="GapSpan7" class="GapSpan">will have been waiting</span><span> for her for two hours. </span><br /><br /><span>8. Frank just changed jobs again. If he keeps this up, he (change) </span><span id="GapSpan8" class="GapSpan">will have changed</span><span> jobs at least four or five times by the end of the year. </span><br /><br /><span>9. Come over to my house around 9 o'clock. By then, I (complete) </span><span id="GapSpan9" class="GapSpan">will have completed</span><span> my history essay and we can go see a movie. </span><br /><br /><span>10. In June, my grandmother and grandfather (be) </span><span id="GapSpan10" class="GapSpan">will have been</span><span> married for fifty years.</span></p>