以否定词开头作部分倒装
如 Not only…but also, Hardly/Scarcely…when, No sooner… than
例如:
Hardly had she gone out when a student came to visit her.
No sooner had she gone out than a student came to visit her.
她刚出去学生就来看她了。
注:Not only…but also引导的倒装只是前半句倒装, 后半句不倒装。
Hardly … when.. 和No sooner … than是固定搭配, 不能交叉使用。