I. Subject-Verb Agreement (2 points each):

1. Underline the subject(s) in each sentence.
2. Then circle the correct form of the verb in parenthesis:

1. Jewelers (place, places) a high value on emeralds of good quality.

2. Emeralds (is, are) a rarer find than diamonds.

3. An emerald (is, are) a special type of mineral beryl.

4. Geologists (know, knows) the exact minerals that make up all precious stone.

5. Geology also (involve, involves) the study of earth’s landforms.

6. You (see, sees) these features wherever you look in nature.

7. A volcano (interest, interests) some specialized geologists.

8. Magma (is, are) molten rock contained within the earth.

9. When it comes to the surface, magma (become, becomes) lava.

10. I (study, studies) stones and minerals more than land formations.

11. The door and the window (is, are) stuck.

12. Neither Mom nor Dad (has, have) phoned.

13. The dog or the cats (is, are) always howling.

14. Apples and bananas (has, have) been my favorite fruits for years.

15. Both the man with the appliances and the plumber (has, have) arrived.

16. My son and daughter (has, have) been cooperative lately.

17. Either the children or I (walks, walk) into town each day.