not until的句型,是前面倒装还是后面倒装?

问题描述:

not until的句型,是前面倒装还是后面倒装?

not until引导的是时间状语从句,从句中不倒装,后面的主句中进行部分倒装。
Not until the teacher came in did the students stop talking.
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当Not until位于句首时,句子要倒装.其结构为:Not until+从句/表时间的词+助动词+(主句)主语+谓语+.如:Not until the teacher came in did the students stop talking.