每日一講
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1.主謂一致的概念
所謂主謂一致是指“主語和謂語動詞”之間,即主語的人稱和單複數形式決定著謂語動詞對應的形式。
2.主謂一致的種類
2.1 語法一致
（1） 如果指兩個或兩個以上不同的人或事物的時候,謂語動詞用複數。
He and she are both students of this school.
他和她都是這個學校的學生。
（2）如果連接兩個以上的名詞指的是同一個人或物, 或者指同一概念的時候, 謂語要用單數。
The singer and dancer is going to give us a performance.
那個歌唱家兼舞蹈演員要給我們表演。
如果主語是的時候,謂語動詞一般用單數。
When he is coming seems very important.
他什麼時候要來看起來很重要。
Collecting stamps is his hobby.
收集郵票是他的愛好。
定語從句的在從句中作主語時，要與的人稱和數保持一致。
Tom, who is your friend, should help you.
湯姆，你的朋友，應該幫助你。
with, along with, together with, as well as, besides, like, without, except, but, including 如果句子中有這些連接詞和主語連用,謂語動詞的數而變化。
例如：
The teacher, together with his students, is planting trees in the street.
老師和他的學生們正在街道上植樹。
2.2 意義一致
指主謂一致取決於主語的其實際意義。（有的主語名詞在形式上是單數, 但在意義上卻是複數；有的主語名詞在形式上是複數, 但在意義上卻是單數。）
2.3 就近原則
3.優選試題
1.The manager or his assistant __ going to attend the meeting.
A. were B. are C. is D. has
2. Two weeks __ enough for us to finish the task.
A.has B. are C.is D.were
3. Her politics __ neither conservative nor liberal.
A.are B. has been C. was D. is
4.A round and a square table __ in the shop window.
A. was exhibiting B. was exhibited C. were exhibiting D.were exhibited
5.When he got to the fair, what were left behind __ ten empty bottles.
A. was B. were C.just D.only
6.There is always a possibility that the infection will return, but so far there __ been no signs of trouble.
A. has B.have C.are D. had
7. George is the only one of the brightest students who __ from New York University.
A.is graduated B.have graduated C.has graduated D. are graduated
8. Hard work and plain living _ characteristics of the working class.
A. were B. is C. has been D.are
9.Although the first part of the book is easy, the rest __ .
A. are difficult B. has proved difficult C. is supposed difficult D. have been found difficult
10. Every policeman and fireman __ on the alert.
A. was B. were C. have been D. are
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