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将来完成时Future perfect tense 1 .含义:在将来某时间之前已经完成的动作,并对此后有影响明天上课之前,汤姆已经写完作业了 Tom will have done his homework before we have class tomorrow.将来的将来将来现在写作业明天上课 2 .句子结构主语+will have + 动词过去分词 They will have cleaned the room by 8 oclock tomorrow. I will have been here for 2 years by the end of this year. 动词过去分词+ed规则直接加ed结尾是不发音的e, 加d (livelived)辅音字母+y结尾, y变为i加ed studystudied, crycried重读闭音节,双写结尾辅音字母+ed (stop-stopped)不规则变化(记忆) dodone gogone come-come 3 .变否定句主语+will have + 动词过去分词主语+will not have+ 动词过去分词 They will not have cleaned the room. The boy will not have broken the window. 4 .变疑问句(一般疑问句、特殊疑问句)一般疑问句主语+will have + 动词过去分词 will +主语 + have+动词过去分词? Yes,代词+ will No,代词+ will notwill you have been here for 2 years? 4 .变疑问句(一般疑问句、特殊疑问句)特殊疑问句特殊疑问词+一般疑问句结构? What will you have decided to do ? Where will you have been? 5 .标志:时间状语来判定 与过去完成时连用的时间状语有: 1 ) by + 将来的时间点 I will have finished reading by 9 oclock tomorrow night. 2 ) by the end of +将来的时间点 We will have learned 2 0 0 0 words by the end of this term. 3 ) before +将来的时间点 They will have planted 6 0 0 trees before next Wednesday. 4) when+将来的时间点 I will have eaten an apple when you come back later.
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