谓语动词只能用单数的8种情况
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 .
A.is B.are C.has D.have
【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.
A.hope B.hopes
C.hoping D.hoped
【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 eighteen.3乘6得18。
Three and five equals eight.3加5得8。