4.带确定数量词的名词词组作主语时的主谓一致

(1)当主语是表示数目、时间、重量、距离等的复数名词时，如果该名词所表示的数量看作一个整体，其后的动词用单数。

Four years is too long for me to wait.

Sixty miles is a short run in a car.

(2)当主语是表示数目、时间、重量、距离等的复数名词时，如该名词所表示的数量看作单个个体，其后的动词用复数。

The past three weeks were the hardest time in his life.

Hundreds of buildings were put up in the city last year.

(3)当主语为“分数或百分数+of+名词”时，其后的动词形式依照of后名词的单复数形式来定。

Thirty percent of the oil in that country is imported.

Ten percent of the eggs have gone bad.

(4)当主语为sheep,fish,deer,aircraft,means,steelworks等单数与复数同形的词时，动词的形式以名词单、复数意义为准。

Three aircraft are reported missing.

Ten fish have been caught today.

5.all的主谓一致

(1)代词all表示可数的人或物时，其后的动词用复数形式。

All were hungry and desperate(渴望)for food.

All who have seen the film love it.

(2)代词all表示不可数的名词时，其后的动词用单数。

All is going well.(一切顺利。)

All is quiet in the middle of the night.

(3)形容词all+可数名词时，其后的动词用复数形式。

All roads lead to Rome.(条条道路通罗马。)

All things are difficult when we begin to do them.

(4)形容词all+不可数名词时，其后的动词用单数形式。

All work and no play makes Jack a dull boy.

Not all food is good to eat.6.带none的词组作主语时，其后面的动词单数或复数形式都可用。

None of you have / has had my experience.

None of the hotels are / is ready for guests yet.

NounPronoun Agreement

NounPossessive Case Agreement