请问有什么区别？HELP将来进行
将来进行时
1) 概念：表示将来某时进行的状态或动作，或按预测将来会发生的事情。
She'll be coming soon。
I'll be meeting him sometime in the future。
注意：将来进行时不用于表示"意志"，不能说 I'll be having a talk with her。
2）常用的时间状语
Soon, tomorrow, this evening，on Sunday, by this time，tomorrow, in two days, tomorrow evening
By this time tomorrow,...全部
将来进行时
1) 概念：表示将来某时进行的状态或动作，或按预测将来会发生的事情。
She'll be coming soon。
I'll be meeting him sometime in the future。
注意：将来进行时不用于表示"意志"，不能说 I'll be having a talk with her。
2）常用的时间状语
Soon, tomorrow, this evening，on Sunday, by this time，tomorrow, in two days, tomorrow evening
By this time tomorrow, I'll be lying on the beach。
一般将来时
1) shall用于第一人称，常被will 所代替。
will 在陈述句中用于各人称，在争求意见时常用于第二人称。
Which paragraph shall I read first。
Will you be at home at seven this evening?
2) be going to +不定式，表示将来。
a。 主语的意图，即将做某事。
What are you going to do tomorrow?
b。
计划，安排要发生的事。
The play is going to be produced next month。
c。 有迹象要发生的事
Look at the dark clouds, there is going to be a storm。
3) be +不定式表将来，按计划或正式安排将发生的事。
We are to discuss the report next Saturday。
4) be about to +不定式，意为马上做某事。
He is about to leave for Beijing。
注意：be about to 不能与tomorrow, next week 等表示明确将来时的时间状语连用。
过去完成时
1） 概念：表示过去的过去
----|-------|-----|---->其构成是had +过去分词构成。
那时以前 那时 现在
2） 用法
a。 在told, said, knew, heard, thought等动词后的宾语从句。
She said (that) she had never been to Paris。
b。 状语从句
在过去不同时间发生的两个动作中，发生在先，用过去完成时；发生在后，用一般过去时。
When the police arrived, the thieves had run away。
c。 表示意向的动词，如hope, wish, expect, think, intend, mean, suppose等，用过去完成时表示"原本…，未能…"
We had hoped that you would come, but you didn't。
3) 过去完成时的时间状语before, by, until , when, after, once, as soon as。
He said that he had learned some English before。
By the time he was twelve, Edison had began to make a living by himself。
Tom was disappointed that most of the guests had left when he arrived at the party。
典型例题
The students ___ busily when Miss Brown went to get a book she ___ in the office。
A。
had written, left B，were writing, has left C。 had written, had left D。 were writing, had left
答案D。
"把书忘在办公室"发生在"去取书"这一过去的动作之前，因此"忘了书"这一动作发生在过去的过去，用过去完成时。句中when表示的是时间的一点，表示在"同学们正忙于……"这一背景下，when所引导的动作发生。
因此
前一句应用过去进行时。
注意： had no … when 还没等…… 就……
had no sooner… than 刚…… 就……
He had no sooner bought the car than he sold it。
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