Turn to the Handbook of Grammar, Mechanics, and Usage at the end of this book and review all of Section 1.3 (Verbs). Then look at the following 10 items and select the preferred choice from each pair of sentences. (You can find answers to these exercises in the Answer Key at the end of the book.)

1. Which sentence contains a verb in the present perfect form?

a. I became the resident expert on repairing the copy machine.

b. I have become the resident expert on repairing the copy machine.
2. Which sentence contains a verb in the simple past form?

a. She knows how to conduct an audit when she came to work for us.

b. She knew how to conduct an audit when she came to work for us.
3. Which sentence contains a verb in the simple future form?

a. Next week, call Javier to tell him what you will do to help him set up the seminar.

b. Next week, call Javier to tell him what you will be doing to help him set up the seminar.