To see is to believe.
Swimming is a good way to keep health.
Who is her father is not known.
Only man knows how to cook.
b) 由people, police, cattle, youth等集体名词作主语的时候，谓语动词用复数形式
The cattle are grazing in the field.
c) Family, croud, class, public, enemy等集体名词作主语的时候
Our class is very diligent.
When I came into the room, his family were watching TV.
iii. A family/group/class作主语时，谓语动词用单数
A group is coming to the zoo.
3 kilometers is not very far.
Three times three makes nine.
b) one, every/each one, each, anyone, either, neither + of + 复数名词
谓语动词一般用单数形式，因为of之后的复数名词不是主语而是介词of的宾语，of前面的one, every one … 才是主语
Neither of them is right.
Each of them has a slide.
c) none of + 不可数名词——谓语动词用单数形式
none of + 可数名词 ——谓语动词单复均可
None of that money in the desk is his.
None of his classmates knows the truth.
d) 分数或百分数 + of + 词组
分数或百分数+ of +词组作主语时，谓语动词的数取决于of后的名词或者代词的数；若名词或代词是复数，谓语动词用复数，若名词或代词是单数，则谓语动词用单数
Three-thirds of the surface of the earth is sea.
Tens of tons of waste goes into the air with the smoke every day.
e) more than one +(单数名词)+单数动词
more than two +(复数名词)+复数动词
More than one white rose has bloomed.
More than two white roses have bloomed.
f) a (great) number of + 复数名词 ——用复数动词
the number of + 任何名词 —— 用单数动词
A great number of tourists have been to the Great Wall.
The number of students in the computer class is limited to ten.
g) the + 形容词，表示一类人 ——谓语动词用复数
the + 形容词，表示一类物 ——谓语动词用单数
The rich are for the decision but the poor are against it.
The beauty is here.
h) every, any, some, no 构成的复合词someone, somebody, something ，no one, nobody, nothing everyone, everybody, everything anyone, anybody, anything这些复合词作主语的时候，谓语动词用单数形式
Everyone in the class was surprised at the news.
Listen, someone is knocking at the door.