not until和过去完成时过去完成时是加在not那边还是until后面新概念好像写了个I had not understood the problem until he explained it.但翻译是在他解释之前我不懂这个问题不是说not until是直到……才吗

分类: 作业答案 • 2021-12-19 11:49:02

问题描述：

not until和过去完成时
过去完成时是加在not那边还是until后面
新概念好像写了个
I had not understood the problem until he explained it.
但翻译是
在他解释之前我不懂这个问题
不是说not until是直到……才吗

答

过去完成时是加在not那边的 hadn't until
until是直到……为止

答

not until:Not until she had lost her daughter and husband did she realize her true love.知道她失去了女儿和丈夫才发现她的真爱（她本来以为自己不爱她老公,等她老公走了她发现自己是爱他的）你那个句子里的NO...

not until和过去完成时过去完成时是加在not那边还是until后面新概念好像写了个I had not understood the problem until he explained it.但翻译是在他解释之前我不懂这个问题不是说not until是 直到……才吗