一, there be句型陈述句比较特殊,其附加疑问句的结构为there be的倒装,而不带句子主语。例如:
There is something wrong with the computer ,isn’t there?
二, 当陈述部分的主语是everyone,everybody,someone,nobody,no one,none ,anyone,somebody等合成不定代词时,在非正式文体中,附加疑问句中的主语通常是he或they。例如:
Someone opened the door ,didn’t he/they?