文档介绍：学****必备 欢迎下载
学****必备 欢迎下载
学****必备 欢迎下载
（1）一般现在时
基本形式（以do为例）：
第三人称单数：does（主语为非第三人称单数）；
肯定e said that he would be working for us.=He said that he would work for us.
(9)现在完成时
基本结构：主语+have/has+过去分词(done)
①肯定句：主语+have/has+过去分词+其他
②否定句：主语+have/has+not+过去分词+其他
③一般疑问句：Have/Has+主语+过去分词+其他
④特殊疑问句：特殊疑问词+一般疑问句（have/has+主语+过去分词+其他\
He has worked for us for ten years.
Has he worked for us for ten years.
(10)过去完成时
基本结构：主语+had+过去分词(done)
①肯定句：主语+had+过去分词+其他
②否定句：主语+had+not+过去分词+其他
③一般疑问句：Had+主语+过去分词+其他
肯定回答：Yes,主语+had
否定回答：No,主语+hadn't
④特殊疑问句：特殊疑问词+一般疑问句（had+主语+过去分词+其他）
语法判定:
（ 1 ） by + 过去的时间点。如：
I had finished reading the novel by nine o'clock last night.
（ 2 ） by the end of + 过去的时间点。如：
We had learnt over two thousand English words by the end of last term.
（ 3 ） before + 过去的时间点。如：
They had planted six hundred trees before last Wednesday.
(11)将来完成时
（shall）will+have+动词过去分词
before+将来时间或by+将来时间
before或by the time引导的现在时的从句
He will have worked for us.=He will work for us.
(12)过去将来完成时
should / would have done sth.
学****必备 欢迎下载
学****必备 欢迎下载
学****必备 欢迎下载
He said that he would have worked for us.=He said that he would work for us.
(13)现在完成进行时
基本与现在完成时相同，但是现在完成进行时只能表示仍然持续的概念
have/has been +-ing 分词
He has been working for us for