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一般疑难句及答语：Was/Were+主语+doing+其它 ；答语：Yes,I主语+was/were./No,I主语+wasn’t/weren’t.
特别疑难句：特别疑难词+was/were+主语+doing+其它
He was working when he was alive.
(7)未来举行时
主语+will + be +如今分词
He will be working for us.=He will work for us.
(8)曩昔未来举行时
should(would)+be+如今分词
He said that he would be 
working for us.=He said that he would work for us.
(9)如今完成时
根基布局：主语+have/has+曩昔分词(done)
①必定句：主语+have/has+曩昔分词+其他
②否认句：主语+have/has+not+曩昔分词+其他
③一般疑难句：Have/Has+主语+曩昔分词+其他
④特别疑难句：特别疑难词+一般疑难句（have/has+主语+曩昔分词+其他\
He has worked for us for ten years.
Has he worked for us for ten years.
(10)曩昔完成时
根基布局：主语+had+曩昔分词(done)
①必定句：主语+had+曩昔分词+其他
②否认句：主语+had+not+曩昔分词+其他
③一般疑难句：Had+主语+曩昔分词+其他
必定答复：Yes,主语+had
否认答复：No,主语+hadn’t
④特别疑难句：特别疑难词+一般疑难句（had+主语+曩昔分词+其他）
语法断定:
（ 1 ） by + 曩昔的时候点。如：
I had finished reading the novel by nine o’clock last night.
（ 2 ） by the end of + 曩昔的时候点。如：
We had learnt over two thousand English words by the end of last term.
（ 3 ） before + 曩昔的时候点。如：
They had planted six hundred trees before last Wednesday.
(11)未来完成时
（shall）will+have+动词曩昔分词
before+未来时候或by+未
来时候
before或by the time指导的如今时的从句
He will have worked for us.=He will work for us.
(12)曩昔未来完成时
should / would have done sth.
He said that he would have worked for us.=He said that he would work for us.
(13)如今完成举行时
根基与如今完成时不异，可是如今完成举行时只能暗示依然延续的观点
have/has been +-ing 分词
He has been working for us for ten years.=He has worked for us for ten years.
(14)曩昔完成举行时
had been +-ing 分词
He said that he had been working for us for ten years.=He said that he had worked for us for ten years.
(15)未来完成举行时
主语+ shall/will have been doing
He will have been working for us.=He will work for us.
翻译为：他近来一向在为咱们事情（曩昔在事情，如今在事情，未来还会事情）
(16)曩昔未来完成举行时
should+have been+如今分词用于第一人称
would have been+如今分词用于其别人称
He said that he would have been working for us.=He said that he would work for us.
举例：
英语中有12个重要时态，都来自于三时（曩昔、如今、未来）
如今以I listen为例，举例英语中有12个重要时态以下所示：
一般如今时：I listen
如今举行时：I am listening
曩昔举行时：I was listening
如今完成时：I have listened
如今完成举行时：I have been listening
一般未来时：I shall listen”或“I will listen.”
未来举行时：I shall be listening
一般曩昔时：I listened
曩昔完成时：I had listened
曩昔完成举行时：I had been listening
未来完成时： I shall have listened
未来完成举行时： I shall have been listening
