Not only Jim but also his sister_____a few cities in the south since they came to China.( )
A.have visited B.has visited
C.visited D.visits
B
【分析】自从来到中国以来,不仅吉姆而且他的妹妹也游览了南方的几个城市.
【解答】根据时间状语since they came to China可知,空处谓语动词需用现在完成时态:has/have done,表示过去发生的动作一直持续到现在,有可能会继续下去;not only…but also连接两个并列的主语时,谓语动词的形式取决于最近的主语,即"就近原则",此处最近的主语是his sister,单数,所以助动词需用has.
【点评】时态题的考查关键是抓住句子的上下文含义和句中的时间状语.要根据时间状语来选择合适的时态,在平时的学习中要注意积累有关时态的用法和各种时态的特殊之处.本题需注意现在完成时态的用法.
在一般现在时的肯定句中,当主语为非第三人称单数时,谓语动词用原形;
当主语为第三人称单数时,谓语动词用单数第三人称形式。
规则 | 动词原形 | 第三人称 单数形式 | |
s | 一般在词尾加s(读音规则: 清清浊浊元浊, 在清辅音后读清辅音/s/, 在浊辅音和元音后读/z/) |
stop take clean play grow |
stops/s/ takes/s/ cleans/z/ plays/z/ grows/z/ |
es | 以,x,ch,sh,或o结尾的动词 加-es(读/iz/) |
pass fix wash watch do |
passes fixes washes watches does |
ies | 以辅音字母 加y结尾的动词,变y为ies(读/iz/) |
fly carry hurry |
flies carries hurries |
一般现在时,当主语是第三人称单数时,谓语动词要用第三人称单数形式
主语是第三人称单数有以下几种情况:
(1) 不可数名词做主语:
Some water is in the glass
(2) 单个的可数名词做主语:
The girl is Chinese. My watch is on the dresser.
(3) He ,she , it 等代词单个做主语:
He is in the tree. She likes her family very much.
(4) 单个的人名,地名或称呼作主语:
Mary is a doctor. Uncle Li speaks a little English.
Changchun is a beautiful city.
(5) 指示代词this, that 等作主语:
This is a pear. That is an apple .
(6) Everyone, everything ,something, nobody, nothing.等不定代词作主语时
Is everyone here today? Everything is ok .
(7)单个数字作主语时:
”8” is a good number in China.
动词单数第三人称形式的一般现在时的句子的否定句、疑问句及特殊疑问句。
否定句:
在主语的后面实义动词前加doesn’t(注意实义动词应恢复原形。)
主语(单三)+doesn’ + 动词原形+其他
Jim likes football变否定: Jim doesn’t like football
He has lunch at school. 变否定:He doesn’t have lunch at school.
一般疑问句及答语,在句子前面加助动词does. 实义动词恢复原形
Does +主语(单三)+ 动词原形+其他
Does your father work ? Yes, he does. /No, he doesn’t
特殊疑问句:特殊疑问词+一般疑问句
特殊疑问词+ does +主语(单三)+ 动词原形+其他
Where does a bird live ?
How does she go to school?
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