附加疑问句/反疑疑问句
1.当主语部分是everybody, everyone, someone, no one, nobody, somebody 等词，附加疑问句的主语在非正式文体中用they,正式文体用he or she或者用he.
Nobody phoned while I was out, did they?
2.陈述部分是there 存在句，附加疑问句的主语也用there.
There is no help for it, is there?
3.如果陈述部分是Iam 结构，附加疑问部分用aren’t I.
I am late, aren’t I?
4.如果陈述部分用不定代词作主语，附加疑问部分在正式场合用one，非正式场合用you.
One can’t be too careful, can one/ can you?
5.陈述部分带有seldom, hardly, never, rarely, few, little, nowhere, nothing 等否定词或半否定词时，附加疑问句的动词用肯定形式.
Bob rarely got drunk, did he?
如果陈述部分含带有否定前缀的词，附加疑问句用否定形式.
He was unsuccessful, wasn’t he?
6. 当陈述部分的主语是I suppose, I think, I believe时，附加疑问部分与that从句中的主语和谓语动词保持一致，但要注意否定的转移.主语为第二、三人称时根据主句来定。
Isuppose he is serious, isn’t he?
I don’t think she cares, does she?
You think she is wrong, don’t you?
He thinks that Mary won’t come, doesn’t he?
7.带有情态动词ought to，附加疑问句在英国英语中用ought to 表示，美国英语中用 should表示.
The child ought to be punished, oughtn’t/shouldn’t he?
8.陈述部分带有情态动词needn’t时，附加疑问句常用need, 有时也可用must.
You needn’t go yet, need you?
陈述部分有must表示必须时，附加疑问句用mustn’t; mustn‘t 表示”禁止”时，附加疑问句用must.表示推测时，根据具体时间而定。
You must work hard, mustn’t you?
You mustn’t walk on grass, must you?
He must have waited here for an hour, _______ ? (2003/4)【A】
A. didn’t he B. mustn’t he
C. hasn’t he D. must he
9.陈述部分带有情态动词used to时，附加疑问句可用used to形式或did形式.
The Allens used to live in the country, usedn’t they/didn’t they?
10.Let us go home, shall we?
Let us go there, will you?
Don’t forget to close the door, will you?
Come in, will you/won’t you?
考试重点：出现’s和‘d时关键是判断是什么缩写形式。例如：
It’s a long time since we met last time, _______?
It’s been a long time since we met last time, ________?
He’d better come to the interview in time, ________?
I’d rather you went go there now, ________?
isn’t it
hasn’t it
hadn’t he
wouldn’t I