现在进行时
主语+be+v.ing〔现在分词〕形式(其中v表示动词)
表示现在正在进行的动作或最近在做的事。
例如:I am buying a book.
第一人称+am+doing+sth
第二人称+are+doing +sth (doing是泛指所有的v-ing形式)
第三人称+is+doing+sth
例:He is working.
过去进行时
肯定句:主语+was/were+doing+其它
否定句:主语+was/were+not+doing+其它
一般疑问句及答语:Was/Were+主语+doing+其它;答语:Yes,I主语+was/were./No,I主语+wasn't/weren't.
特殊疑问句:特殊疑问词+was/were+主语+doing+其它
He was working when he was alive.
将来进行时
主语+will + be +现在分词
He will be working for us.=He will work for us.
过去将来进行时
should(would)+be+现在分词
He said that he would be working for us.=He said that he would work for us.
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.
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