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onlywhEn的用法

Only when i miss you, did i feel so lonely.only 放句首要倒装

用did,如果改成only when , Only when he realized the importance of learning English did he decide to study hard.而且二者意义不同 only when 意思是直到时候才.only then 意思是知道那是 希望能给楼主些许帮助

only 的用法.only位于句首修饰壮语要倒装 只有倒那时我才将会有机会实现我的梦想.will 是谓语的一部分因倒装提前了.再如 only in this way can you learn english well 是only

unless就相当于if+not only if强调这个条件是唯一的 这两个是条件句,要按照条件从句的规矩,该是条件句的就主将从现,该用虚拟的就用虚拟语气.only when是时间状语从句,按照时间状语从句来就行.

简单的说:only when出现时,必须有两个句子,即:一个主句和一个从句,when引导的是从句或者两个主语两个谓语动词如:Only when he grew up,did he know that但是only then 出现时,只有一个句子,即一个主语一个谓语动词如only then did he know that希望能帮到您

用did,如果改成only when ,Only when he realized the importance of learning Englishdid he decide to study hard.而且二者意义不同only when 意思是直到时候才.only then 意思是知道那是希望能给楼主些许帮助

)、when,while都有“当……时候”的意思.when既可表示某一点时间,也可以表示某一段时间 .在when引导的时间状语从句中,其谓语动词可以是延续性的,也可以是非延续性的,可与主句中的谓语动词同时发生,也可在其后发生. 例如:

when 疑问副词 什么时候 when do you get up every day? 你每天什么时候起床 这句中的when可以替换为what time what time do you get up every day?

when于何时;在那时;当……时;尽管(1)when did you come(2)It was raining when we arrived.(3)How can I help them to understand when they won”t listen to me?1.什么时候/场合When did you last see him?When(=in what circumstances)

only when在主从复合句句首主句要倒装的情况 倒装的条件:1)only在句首2)句子为主从复合句 it is only when we cannot see perfectly that we realize how important our eyes are.该强调句only不在句首,也不是主从复合句,所以不满足以上条件,不需倒装.强调句若去掉it is和that之后句子是应该完整的.只是该强调句有点特殊,因为only出现在句首了,所以主句应该倒装.only when we cannot see perfectly do we realize how important our eyes are.希望对你有帮助.

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