Only if与only when的区别？only if 和 only when 都是英语中的连词，它们在含义和用法上有所不同。only if 的含义是“只有在某种情况下才会发生或实现某事”，它的语法结构通常是：only if + 条件子句 +. Be only与only be的区别 比如说：他只迷恋于赚钱是heisonlyobsessedwithmakingmoney还是heonlyisobsessedwithmakingmoney？ 顺便告诉我原因。. Only by 和only through 的区别不是在于这两个词组，而是在于by 和through 的差别，因为only 放在句首后面的句子要到装，把by 或through 提到主语前面。所以只要 知道什么时候用by，什么.
Galaxies Shapes And Sizes At All
But 1、she could not but congratulate him.
'only' can appear in various positions, and often appears earlier than its 'logical' position (it's not next to what it actually talks about).
她只能祝贺他。 2、he is extremely strong& not but that he. Only, hardly, barely, rarely与否定词有什么区别呢merely, hardly, barely 和 rarely 这四个词语都与程度或频率有关，但它们的具体含义略有不同。merely&qu Only to 是表示很遗憾地发现。。。一般后面跟上不好的事情。 比如，i rush to the railway station, only to find the train has gone. Not only but提前的时候not only后面紧跟的句子要进行部分倒装，即提前助动词。 拓展资料 not.
Sentence 2 is not impossible, but i agree with the newt:. It is only when we cannot see perfectly that we realize how important our eyes are.
