1.当陈述部分的主语是I，而句子又用来征询对方的意见时，附加疑问句中的主语用you。如：
I find English very interesting, don’t you？
I don’t like that film, do you？
2.当陈述部分的主语是everybody, everyone, someone, nobody, no one, somebody等合成代词时，附加疑问句中的主语通常用they。但亦可用he，尤其是nobody, no one等作主语，具有否定概念时。如：
Somebody phoned while I was out, didn’t they？
Everyone enjoyed the party, didn’t they？
Nobody wants to go there, does he？
3.当陈述部分的主语是不定代词everything, nothing, anything, something时，附加 疑问句中的主语一般用it，不用they。如：
Everything seems all right now, doesn’t it？
Nothing is kept in good order, is it？
Something must be done to stop pollution, isn’t it？
4.当陈述部分的主语是指示代词this, that或these, those时，附加疑问句中的主语分别用it和they。如：
This is important, isn’t it？
That isn’t correct, is it？
These are your friends Tom and Jack, aren’t they？
5.如果陈述部分是以代词one作主语，附加疑问句中的主语在正式场合用one，非正式场合用you,在美国英语中，在非正式场合还可以用he。如：
One can’t be too careful, can one？或can you？
One should do his duty, shouldn’t he？
6.如果陈述部分用I’m…结构，附加疑问部分一般用aren’t I。如：
I am strong and healthy aren’t I。
7.当陈述句为there be结构时，附加疑问句中的主语也用there。如：
There’s no help for it, is there？
There’s something wrong, isn’t there？
8.陈述部分带有seldom, hardly, never, rarely, few, little,nowhere, nothing等否定词或半否定词时，附加疑问部分的动词用肯定形式。如：
Bob rarely got drunk, did he？
Few people know him, do they？
She seldom goes to the cinema, does she？1 2 3 下一页 尾页
