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. 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. 【查看更多】
