用来表示在将来某个时刻(前)将完成的动作。常和by短语，when,before引起的时间状语连用。例如：We will have finished senior Book 2 by the end of this term.注：当句子的谓语为say、believe、expect、think、know、write、consider、report等时，被

动语态有两种形式：(A)谓语动词用被动语态，动词不定式作主补。(B)用it作形式主语，真正的主语在后面用主语在后面用主语从句来表示。如：

People say he is a smart boy.

It is said that he is a smart boy.

He is said to be a smart boy.

People know paper was made in China first.

It is known that paper was made in China first.

Paper was known to be made in China first.

类似句型有：It is said / known / suggested / believed / hoped/ thought that

时态考点分析

1．--Can I join your club,dad?

　 --You can when you______a bit older.　 (NMET)

　 A.get　　 B.will get　　 C.are getting　　 D.will have got

析：“You can”是将来意，when引导的时间状语从句要用一般现在时表将来所以此题答案为A.

4.be about to do (按计划即将发生)

3.be doing (按计划将要发生，常和表示最近的将来时间连用)

2.be going to do (主观上打算或客观上可能发生)

　　 一般将来时表示将来要发生的动作和存在的状况。有下列一些形式：

1.will/shall do (侧重将来行为，不突出计划安排去做某事)

3.常用hope,expect,think,intend,want,suppose等动词的过去完成时来表示未实现的希望、打算或意图。例如：We had expected that you would be able to win the match.

2.表示动作或状态从过去某个时刻开始一直延续到另一个过去时刻才完成，甚至还要继续下去。例如：At the age of ten,he had learned 500 English words.He had been ill for a week when we learned about it.

1.表示在过去某一时间以前已经完成的动作。例如：He had shut the door before the dog came up./ Everything had been all right up till this morning.

4.表示过去将来动作。例如：He said she was arriving the next day.

3.用在两个过去进行时动作同时发生。例如：I was writing while he was watching TV.