1）由“some of，plenty of，a lot of，lots of，most of，the rest of，all of，half of，part of，the remainder of或分数、百分数+of+名词”等短语作主语时，谓语动词常与of后的名词保持数的一致。
The rest of the lecture is dull．
Half of the apple is rotten．这个苹果的一半腐烂变质了。
Half of the apples are rotten．这些苹果有一半腐烂变质了。
About one third of the books are worth reading.大约三分之一的书值得一读。
Over 30％ of the students were absent from the meeting．
2）由“a kind of，this kind of，many kinds of”和“名词+of this kind”等，以及由与kind意义相似的type，sort，form，part，piece，section等构成的类似短语作主语时，谓语动词与of前的名词保持数的一致。如：
A kind of birds has been discovered by them．
Parts of the book are very instructive．
This kind of apples is expensive.
Apples of this kind are expensive.
3）“more+复数名词+than one”结构谓语常用复数。
More members than one have protested against the plan．
4）不定代词“each，one，no one，some(any，no，every)+body(one或thing)”在句中作主语或作限定词时，谓语动词一律用单数形式
Each boy gets a prize．
Someone wants to buy the house．
Each of the books costs five Yuan.
注意：each，all，both用作同位语时，谓语动词仍应与主语保持一致
We each have an English-Chinese dictionary．
由and连接的两个或三个单数主语前如果有every，each，no，many a修饰时，谓语动词要用单数形式。
Each teacher and (each) student was given a book．
Every hour and (every) minute is important
Many a teacher and many a student enjoys the book very much．
many a.../ more than one+名词作主语时, 谓语动词仍采取单数形式
Many a man thinks life is meaningless without purpose．
one and a half+复数名词”作主语时，其谓语要用单数形式
One and a half bananas is left on the table．返回搜狐，查看更多