高中英语语法总结.doc

高中英语语法总结
高中英语语法:: 助动词是帮助主要动词构成各种时态,语态,. : 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
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