The document discusses subject-verb agreement rules when using expressions of quantity. It covers the following:
- Singular verbs are used with "of + singular noun" and "one of, each of, every one of + plural noun." Plural verbs are used with "of + plural noun."
- Singular verbs are used with "none of + plural noun." Both singular and plural verbs can be used with "none of + plural noun."
- Singular and plural verbs can be used with "a/the number of + plural noun."
- Singular verbs are used with "there is/has" and plural verbs with "there are/have."
- Singular verbs