Here are the answers to the exercise on page one: Making Verbs Agree With Their Subjects.
- I ride the bus every morning. My sister never rides the bus.
- This old watch keeps perfect time. I keep it on a silver chain.
- Veronica seldom visits her mother. In fact, she never wants to visit anyone.
- Your excuse sounds familiar. It sounds like the one you gave last week.
- Both Charlie and Hurley enjoy music. Charlie also enjoys playing guitar.
- Edna lives by herself next door. Simon and Peter live downstairs.
- I refuse to apologize to Leonard. He refuses to speak to me.
- Gus and Merdine sing in the church choir. Unfortunately, they sing out of key.
- This machine sorts the mail. It sorts envelopes according to size and weight.
- The BP station closes at midnight. The other stations never close.
- Jack and Sawyer often argue with each other. They argue about everything.
- Louis and Lorna sell eggs at the public market. Lorna also sells her homemade jam.
- This device tests your ability to distinguish colors. It also tests depth perception.
- Celeste runs like a gazelle. Her brother runs like a three-legged musk ox.
- Mr. Chu criticizes everyone at work. He never criticizes himself.

