Everything has been finished ,hasn"t it .后面的附加疑问句为什么是hasn"t it.

问题描述:

Everything has been finished ,hasn"t it .后面的附加疑问句为什么是hasn"t it.

(3)但如果主句的时态是过去时等等,疑问句应和主句的人称时态保持一致.had better或have  陈述部分有had better,或其中的have表示完成时态时,疑问句应用hadn’t等开头:   You’d better get up early, hadn’t y...