only then和only when的用法only then和only when,如何搭配had sb v-ed或者did sb_英语解答

only then和only when的用法
only then和only when,如何搭配had sb v-ed或者did sb v-ed
举个例子only then_he realize the importance of learning English
此处用did还是had?如果改成when呢?

人气：449 ℃　时间：2020-01-20 11:06:03

解答

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
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