1.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: ①Not until the teacher came in did the students stop talking.直到老...
⑵not…but…意思为“不是……而是……"not和but后面的用词要遵循一致原则。 They were not the bones of an animal,but(the bones) of a human being. ③ 表原因关系 ⑴ for是并列连词...
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