主谓一致 Agreement
集体名词作主语时
mankind/ humanity/ man(人类)作主语时,谓语动词一般用单数形式;
Only man knows how to cook.
由people, police, cattle, youth等集体名词作主语时,谓语动词用复数形式;
The youth of our country are happier than the other people.
family, crowd, class, public, enemy等集体名词作主语时:
如它们所表示的人或事物当整体看,谓语动词用单数形式;
Our class is very diligent.
当它们表示的人或事物当作若干个体来看,谓语动词则用复数形式;
When I came into the room, his family (the members of his family) were watching TV.
a family/ group/ class作主语时,谓语动词用单数;
families/ groups/ classes作主语时,谓语动词用复数。
a group is coming to the zoo.
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.