但是如果and连接的是指一个单一概念时,谓语动词用单数。9 V7 S) F y, {+ x4 p7 F
Bread and milk has been my breakfast for years. 牛奶面包多年来一直是我的早餐。 `- i; u2 x# } g: U% M. W
Her lawyer and old friend is going to marry her.她的律师和老朋友要娶她。" F9 i; q& M1 C: w" O) R6 h
All this effort and sacrifice has come to nothing. 所有这些努力和牺牲都白费了。
; p7 t4 v8 Z S+ U% i 由and连接的单数主语分别有many a,ever y,each,no修饰时,动词用单数。5 I l. q# q, T* B. e' S5 `
如:During the holidays, every train and every plane was crowded.假期期间每列火车及每架飞机都非常拥挤。. U7 q7 S# N# f9 U9 `$ `
No boy and no girl has the right to refuse education. 男孩和女孩都没有拒绝教育的权利。
# P- l2 F" H1 K* d$ F Man a man and man a woman was moved b this picture。许多男男女女都被这幅画感动。1 O9 H3 [; L* N* Y2 d) P
2.如果主语是一个抽象概念(如不定式、动名词、主语从句等)谓语动词用单数形式。如果主语是用and连接的两个或多个抽象概念,谓语动词用复数形式。
& d! ~+ X, {; y; b5 K 如:Swimming jogging and cycling are all goad farms of sports exercises.游泳、慢跑和骑自行车都是很好的运动形式。
5 [6 i( C8 h- d e To live to eat is not a very goad attitude toward life. 活着就是为了吃不是好的生活态度。- C+ S- Z, t# w: P+ G9 o( x& J* s
To live to eat and to eat to live are very different attitudes toward life.1 \7 b l5 J5 a$ @2 Q: h
以what,who,why,haw, whether等wh一词引起的从句做主语时,谓语动词通常用单数;由and连接的两个主句如果指两件事,动词用复数。/ I5 y- H) t% B( R( A" r' q0 T: n
例如:What he is doing is not clear yet他在干什么还不清楚; o/ {1 c" {1 U8 E$ ^) W" P) T
What he is doing and whether I know him are two different things.他在干什么和我是否认识他是两件不同的事。: L5 G1 S+ B* g/ C- Q: C R
What she told me is none of your business. 她和我说的什么用不着你管。$ U7 v8 _+ b. {
What she told me and what she told you are totally different things.* O* C, R4 j5 @+ ^9 D, r4 J
以what从句为主语的“主一系一表SVC"句型中,如果主句的表语是复数,主句谓语动词用复数形式;what从句本身是复数意义,主句谓语动词也可用复数。
" S- ]% T& z' Z 如:What I need buy now are four tea cups and a pair of sports shoes.
- s$ _9 N' r3 i8 p 我需要买的是四只茶杯和一双运动鞋。
, z) O( \% |5 ~6 w& p, ^8 X What were thought to be five dogs were actually five sheep.% D# Q& d, K `% A/ v
被认为是五条狗的东西实际上是五只羊。0 d# X. Z2 n' B5 I0 ^; ~1 @ ?
3.集体名词family,class,crew(全体船员或机组人员),crowd, group, committee, audience, government, public, team, staff, population等做主语时,若作为一个整体看待,后面谓语动词用单数; 如就其中每一个成员来考虑时,则用复数。
4 z! S: y6 c9 W9 Q" t/ I" l. X 例如: My family is a big one.我家人多。
* F7 h7 G! F. r0 ` My family are all music lovers. 我全家人都爱好音乐。! f1 A0 h% S2 @ P9 q
Eighty percent of China' s population are peasants. 百分之八十的中国人口是农民。7 _3 |$ c0 c2 k+ W0 ]
China has a huge population. 中国有众多的人口。! t- ` p8 |% h. Q: d/ [) C6 a& E: `
The population of China is the largest in the world. 中国的人口是世界上最多的。
" j& \; S v8 A$ ` People, police, cattle,(牛),militia(民兵),poultry(家禽),vermin(害出)等作主语时,后面的动词要用复数。8 X9 S; r2 }3 O- ~* h# z0 V
如:There were many people waiting outside. 有许多人在外面等着。- _& E/ Z% f$ V+ G% L$ i
The police are searching far the murderer. 警察在搜捕凶手。! s4 |* _: ^- j/ F. a0 |
The cattle are grazing in the fields. 一群牛在田野里吃草。' g& ]0 O& h2 w) g: W9 R
Foliage(树叶),machinery(机械),equipment(设备) ,furniture(家具),merchandise(商品)等通常做不可数名词,动词用单数 |