高中英语语法总结.docx

高中英语语法总结
高中英语语法:助动词
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助动词是帮助主要动词构成各种时态,语态,.
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1. 助动词be的用法
1) be +现在分词,构成进行时态。例如:
they are having a 。
english is ing more and more important. 英语现在越来越重要。
2)be + 过去分词,构成被动语态。例如:
the window was broken by tom..窗户是汤姆打碎的。
english is taught throughout the 。
3) be + 动词不定式,可表示下列内容:
a. 表示最近、未来的计划或安排。例如:
he is to go to new york next week..他下周要去纽约。
we are to teach the 。
说明: 这种用法也可以说成是一种将来时态表达法。
b. 表示命令。例如:
you are to explain 。
he is e to the office this 。
。例如:
how am i to answer him?我该怎样答复他?
who is to go there?谁该去那儿呢?
d. 表示相约、商定。例如:
we are to meet at the school gate at seven tomorrow 。
2. 助动词have的用法
1)have +过去分词,构成完成时态。例如:
he has left for 。
by the end of last month, they had finished half of their work. 上月未为止,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。例如:
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,构成完成式被动语态。例如:
english has been taught in china for many years. 中国教英语已经多年。
的用法
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****br/> 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 。
don't be so absent-。
说明: 构成否定祈使句只用do,不用did和does。
4)放在动词原形前,加强该动词的语气。例如:
e to my birthday 。
i did go 。
i do miss 。
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. 进了大学以后,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 dri