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谓语动词只能用单数的8种情况

2011-06-06 11:41:25| 分类:英语学习|字号订阅
1 非谓语动词或从句做主语
不定时(to do 或疑问词+to do);动名词(doing )或主语从句做主语,谓语动词用单数。

如:
When and Where to build the new factory ----not decided yet .
【分析】答案是A。

“疑问词+to do ”做主语,谓语动词用单数,此题又是被动语态。

2 复合不定时做主语
以some-,any-,every-,no-,开头,以-thing,-body,-one结尾的复合不定代词作主语时,谓语动词用单数。

如:
Everything is going well.一切顺利。

3.以-s结尾的学科名、书名、国名作主语
表示学科(如physics,politics,maths)、书名(如The Arabian Nights)、国名(如the United States,Wales,the United Nations)等以-s结尾的名词作主语时,谓语动词通常用单数。

如:
The United States has many different kinds of climate.
美国的气候是多种多样的。

4.“more than one/many a+单数名词”作主语,
“more than one+单数名词”和“many a +单数名词”作主语时,谓语动词用单数。

如:
More than one student has seen the film.
不止一个学生看过这部电影。

Many a strong man has weakened before such a chal-lenge.
许多坚强的人遇到这种困难都动摇了。

5.指同一个人或事物的并列结构作主语
指同一个人或事物的A and B结构(如knife and fork 刀叉,bread and butter 黄油面包,a teacher and writer 老师兼作家,fish and chips 鱼和炸土豆片)作主语时,谓语动词用单数。

如:
A worker and writer was present at the meeting.
一位工人作家出席了会议。

Fish and chips is a popular meal in Britain.
鱼和炸土豆片在英国是很受欢迎的膳食。

6.“one/each of+复数名词”作主语
“one/each of+复数名词”作主语时,谓语动词用单数。

如:
—Each of the student,working hard at his or her lessons,——to go to university.
—So do I.
【分析】答案是B。

“each of+复数名词”作主语时,谓语动词单数。

7.前后名词有every等修饰的并列结构作主语
“every(no,each,many a)+单数名词+and+every(no,each,many a)+单数名次”作主语时,谓语动词用单数。

如:
Every desk and every chair in the classroom is new.
教室里的每张桌椅都是新的。

8.在数学四则运算中,
在数学四则运算中,谓语动词一般用单数。

如:
Three times six is 乘6得18。

Three and five equals 加5得8。

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