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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,未来完成时,Future perfect tense,1/8,1.,含义:,在,未来某时间之前,已经,完成,动作,并对今后有,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.,未来未来,未来,现在,写作业,明天上课,2/8,2.,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.,3/8,动词过去分词,+ed,规则,直接加,ed,结尾是不发音,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),不规则改变,(,记忆,),dodone gogone come-come,4/8,3.,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.,5/8,4.,变疑问句,(,普通疑问句、特殊疑问句,),普通疑问句,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 not,will,you have been here for 2 years?,6/8,4.,变疑问句,(,普通疑问句、特殊疑问句,),特殊疑问句,特殊疑问词,+,普通疑问句结构,?,What,will you have,decided to do?,Where,will,you have been?,7/8,5.,标志:,时间状语来判定,与过去完成时连用时间状语有:,1,),by+,未来时间点,I will have finished reading by 9 oclock tomorrow night.,2,),by the end of+,未来时间点,We will have learned words by the end of this term.,3,),before+,未来时间点,They will have planted 600 trees before next Wednesday.,4,),when+,未来时间点,I will have eaten an apple when you come back later.,8/8,
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