example :
Choose the form of the verb that agrees with the subject :
1. Many people (exercise, exercises) everyday.
2. Several items (am, is, are) out of stock.
3. Neither model (am, is, are) very expensive
4. Everyone (try, tries) to help
5. The folders (was, were) lying on your desk.
6. Neither report (was, were) accurate.
7. One of those machine (cost, costs) about $500
8. The owners of the store (plan, plans) to remodel it.
9. Neither of the reports (include, includes) charts.
10. The result (has, have) been increased sales.