Underline the main verb once. Italicize the auxiliary verb(s) twice. 
1. Elmer has rarely exhibited a bad temper. 
2. The county will try the case next month. 
3. The man had received no driver's license. 
4. I could not complete the task in that length of time. 
5. Those girls are known as the Baxter twins. 
6. The cat was playing with the drapery cord. 
7. The popularity of that product has risen for months. 
8. The Empire State Building was used as a set in many famous movies. 
9. The Twin Towers is now dominating the New York skyline. 
10. We will begin the long drive early in the morning. ​