句型转换,每空一词。1. He'd like to drink green tea for dinner. (改为同义句)He _______ _______ drink green tea for dinner.2. I'd like some beef. (改为一般-七年级英语
加-es(读/iz/)
fix
wash
watch
do
fixes
washes
watches
does
加y结尾的动词,变y为ies(读/iz/)
carry
hurry
carries
hurries
注意:不规则变化的有have—has, be—is, go—goes, do—does
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。 <?xml:namespace prefix = "o" ns = "urn:schemas-microsoft-com:office:office" />
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?
考点名称:助动词的单数第三人称形式
- 助动词的单三形式:
助动词
be
do
have
shall
will
单三形式
is
does
has
shall
will
考点名称:助动词
- 助动词:
协助主要动词构成谓语动词词组的词叫助动词。
助动词是语法功能词,自身没有词义,不可单独使用,只能和别的动词一起构成谓语,表示时态、语态、语气等,或表示疑问或否定。
常用的助动词有:
be,do,does,did,have,has,shall,will,would等。 常见助动词用法:
have的用法:
have作助动词
形式:
主要变化形式:have,has,had
动名词/现在分词:having
1)have +过去分词,构成完成时态,例:
He has left for London. 他已去了伦敦。
By the end of last month, they had finished half of their work.
上月末为止,他们已经完成工作的一半。
2)have + been +现在分词,构成完成进行时(现在完成时),例:
I have been studying English for ten years.我一直在学英语,已达十年之久。
3)have+been +过去分词,构成完成时态的被动语态,例:
English has been taught in China for many years.中国教英语已经多年。
do的用法:
形式
主要变化形式:do,did,done
动名词/现在分词:doing
1) 构成一般疑问句,例如:
Do you want to pass the CET?你想通过大学英语测试吗?
Did you study German? 你们学过德语吗?
2)do + not 构成否定句,例如:
I do not want to be criticized.我不想挨批评。
He doesn't like to study.他不想学习。
In the past, many students did not know the importance of English.过去,好多学生不知道英语的重要性。
3) 构成否定祈使句,例如:
Don't go there. 不要去那里。
Don't be so absent-minded. 不要这么心不在焉。
说明: 构成否定祈使句只用do,。
4)放在动词原形前,加强该动词的语气,例如:
Do come to my birthday party please.请一定来参加我的生日宴会。
I did go there. 我确实去那儿了。
I do miss you. 我确实想你。我真想你了!
5)用于倒装句,例如:
Never did I hear of such a thing.
我从未听说过这样的事情。
Only when we begin our college life do we realize the importance of English.
只有在开始大学生活时我们才认识到英语的重要性。
说明: 引导此类倒装句的副词有never, seldom, rarely, little, only, so, well等。
6)用作代替动词,例如:
Do you like Beijing? 你喜欢北京吗?
Yes,I do.是的,喜欢。(do用作代动词,代替like Beijing.)
He knows how to drive a car, doesn't he?他知道如何开车,对吧?
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