謂語動詞用複數的情況
1) both, some, few, many等用作主語或修飾主語時，謂語動詞用複數。
【例如】
Both of my parents are over seventy years old.
Many students in my class have creative thoughts and wide knowledge.
2)「the +形容詞」作主語，在表示一類人或事物時，謂語動詞用複數。
【例如】
The aged are well taken care of by the government.
The poor are often looked down upon by the rich.
The young have respect for the old in China.
3) a number of, a lot of, any of, most of, the rest of, some of, none of, all of修飾複數名詞時，謂語動詞用複數。
【例如】
Most of the teachers are responsible and knowledgeable.
A number of books have been published on the subject.
None of the books attract me a lot. the number of表示「……的數量」，謂語動詞用單數。
【例如】
The number of books published on this subject is simply amazing.
The number of foreign visitors to China has been increasing over the last several years.
4)集合名詞作主語時，當名詞表示整體時，謂語動詞用單數;當名詞強調集體中的個體時，謂語動詞用複數。
【例如】
The family is the basic unit of society. The family have agreed among themselves to spend their vocation in Europe.