John,you can’t go out to play until your homework ____ (finish).适当形式为什么填 have been finished为什么用这个时态像时间状语从句的用法到底有多少？我知道有主将从现

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John,youcan’tgoouttoplayuntilyourhomework____(finish).适当形式为什么填havebeenfinished为什么用这个时态像时间状语从句的用法到底有多

John,you can’t go out to play until your homework ____ (finish).适当形式为什么填 have been finished为什么用这个时态像时间状语从句的用法到底有多少？我知道有主将从现
John,you can’t go out to play until your homework ____ (finish).适当形式
为什么填 have been finished
为什么用这个时态像时间状语从句的用法到底有多少？我知道有主将从现

John,you can’t go out to play until your homework ____ (finish).适当形式为什么填 have been finished为什么用这个时态像时间状语从句的用法到底有多少？我知道有主将从现
Until 直到….为止,not… until直到…才
肯定形式表示的意思是"做某事直至某时",动词必须是延续性的.
否定形式表达的意思是"直至某时才做某事".动词为延续性或非延续性都可以.
你说的have been finished 是一个延续性动作也就是现在完成时的一种用法
译成汉语就是“约翰,直到你做完家庭作业时你才可以出去玩” 这样易理解的话就容易多了,

根据主句的时态是现在时再根据句子的意思后面是完成时所以就是现在完成时

应该是has been finished . ( homework是不可数名词），另外，作业不能自己做，是被做，故用被动语态，根据句意‘ 直到作业完成了才能出去玩’ 故用现在完成时的被动语态：强调对现在造成的结果‘做完作业了

应是has 强调对现在有影响，所以用现在完成时最佳

【解答】John, you can’t go out to play until your homework ____ (finish).
【解析】这句话考察时态的问题。主句的时态是一般现在时，而你完成作业是截止到现在已经完成的状态，所以用现在完成时。另外，这句话还有被动态，作业是被完成的。
【答案】has been finished（你说的答案有些问题，homework是不可数名...

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【解答】John, you can’t go out to play until your homework ____ (finish).
【解析】这句话考察时态的问题。主句的时态是一般现在时，而你完成作业是截止到现在已经完成的状态，所以用现在完成时。另外，这句话还有被动态，作业是被完成的。
【答案】has been finished（你说的答案有些问题，homework是不可数名词，所以用单数形式）
希望可以帮到你。

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应该填 has been finished. have 错
人发出动作：做作业；但是把“作业”用作主语，那么，完成作业，就成为一个被动语态的概念：作业被完成。这是语态问题。而时态呢? 做完作业，有完成的概念，所以要用现在完成时。

完成时的被动语态

has been finished 时间状语从句中一般不用将来时态，这儿是现在完成时的被动结构

(2/3)ou can not let go!I can't bear to hurt you,but you don't know to 英语翻译Never say goodbey when you still wantto try Never give up when ou still feel you can take itNever say you don't love that person anymore when you can't let go 根据首字母提示,完成对话.Mom:John,could you help me?Mom:John,could you help me?John:Yes,I'm___.Mom:Go and get somebottles of juice.John:OK!But w___ are they?Mom:I t___ they're in the kitchem.John:Mom,b___ there aren't a___ Mom:You can go an you are my sunshire ou always brighten my day.so i can 't smile without you. John,you can’t go out to play until your homework ____ (finish).用一般现在时还是现在完成时?you can’t go out to play until 可以看做将来时么?为什么资料上答案都是is finished I Can't Let You Go 歌词 I really can't let you go. .— John,you _____ go out to play until your homework __________ .—OK,Mum..Amust; finishes B.can’t; is finished C.can’t; has finished D.needn’t; finishes —John,you （ ）go out to play until （ ）your homework .—OK,Mum.A.must; finishes B.can’t; is finished C.can’t; has finished D.needn’t; finishes 为什么选B,不能选C—John,you （ ）go out to play until your homework （ ）—OK,M Can you go shopping with me?( ) ( ),I can't I can't go home without you=I can't go home _____ you ____ go ____ me. You can't go there.变成反意疑问句 You can't go there.(变成反义疑问句) I am a_____I can't go with you.首字母填空. it's too late ,you can't go ( ) to play you can't go out on school nights(改为祈使句 翻译I can’t seem to let you go I can't go to the party___ you 填介词