主謂一致（Subject- Verb Agreement），指”人稱”和”數(shù)方面的一致關(guān)系.如: He is going abroad. They are playing football.　可分為:語法一致， 內(nèi)容一致， 就近一致.今天著重計解內(nèi)容一致的原則。

內(nèi)容一致原則:

1.主語中有all, half, most, the rest等, 以及”分數(shù)或百分數(shù)+名詞”做主語時,謂語動詞單復(fù)數(shù)取決于連用的名詞.如:
The rest of the bikes are on sale today.????剩下的自行車， 今天出售。
60%of the apple was eaten by little boy.???這個蘋果的60%都被這個小男孩吃了。
Most of the apples were rotten.???????大部分的蘋果都是爛的。
Most of the apple was eaten by a rat.?這個蘋果的大部分被老鼠吃了。
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2. 不定數(shù)量的詞組, 如:part of , a lot of , lots of , one of , a number of , plenty of等作主語時, 謂語動詞的單復(fù)數(shù)取決于量詞后面名詞的數(shù).如:
A part of the textbooks have arrived.?一小部分教科書已運到。
A part of the apple has been eaten up by the pig.?這個蘋果的一部分被豬吃光了。
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3. 加減乘除用單數(shù).如:
Fifteen minus five is ten . 15減去5等于10。
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4. 表示時間, 金錢, 距離, 度量等的名詞做主語時, 盡管是復(fù)數(shù)形式, 它們做為一個單一的概念時, 其謂語動詞用單數(shù).如:
Ten miles is a good distance. 十英里是一個相當?shù)木嚯x。
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5. (1) 通常作復(fù)數(shù)的集體名詞. 包括police , people, cattle 等, 這些集體名詞通常用作復(fù)數(shù).如:
?? The British police have only very limited powers.
(2) 通常作不可數(shù)名詞的集體名詞. 包括equipment, furniture, clothing, luggage 等.
(3) 可作單數(shù)也可作復(fù)數(shù)的集體名詞. 包括 audience, committee, government, family, enemy, group, party, team, public 等.如:
The committee has/have decided to dismiss him. 委員會決定解雇他。
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6. the +形容詞/過去分詞形式”表示一類人或事物, 作主語時, 謂語動詞用復(fù)數(shù).如:
The injured were saved after the fire.