附加疑问句也叫反意疑问句。一般说来，附加疑问句部分在人称、性、数、时态方面都必须与陈述部分保持一致，但也有一些特殊情况。
一、附加疑问句部分的主语
1． 陈述部分的主语是everyone, everybody, anyone, anybody, someone, somebody, no one, nobody, none, neither等不定代词时，附加疑问部分的主语通常用they，但在很正式的主体中也可用he。例如：
Everyone likes the new idea, don’t they/doesn’t he?
No one knows where she lives now, do they/does he?
Neither of them complained, did they?
Someone borrowed my pen yesterday, didn’t they?
2． 陈述部分的主语是everything, something, anything, nothing, this, that时，附加疑问部分的主语用it。例如：
Nothing could make her alter her views, could it?
Everything seems all right, doesn’t it?
That is what you want to know, isn’t it?
3. 陈述部分的主语是one时，附加疑问部分的主语正式主体用one，非正式主体用you，在美国英语中用he。例如：
One can’t be too careful, can one/you/he?
One should learn from others, shouldn’t one/you/he?
4. 陈述部分的主语是such时，附加疑问部分的主语取决于such所指，单数用it，复数用they。例如：
Such is his nature, isn’t it?
Such are your reasons, aren’t they?
5. 陈述部分的主语是不定式、动名词、词组或从句时，附加疑问部分的主语用it。例如：
To master French is difficult, isn’t it?
Playing football is exciting, isn’t it?
Through the wood is the nearest way, isn’t it?
That they are friends is not true, is it?
What she said was believable, wasn’t it?
6. 在there be句型中，附加疑问部分的主语用引导词there。例如：
There are some tourists, aren’t there?
There won’t be any trouble, will there?
7. 陈述部分的主语是”each of …”,且强调全体人员时，附加疑问部分的主语可用they, we或you；但如果强调单个，则用he, she, 或you。例如：
Each of the students passed the finals, didn’t they?（强调全体）
Each of the students passed the finals, didn’t he?（强调单个）
Each of you has brought a dictionary, haven’t you?（强调全体）
Each of the girls is pretty, isn’t she?（强调单个）
8. 陈述部分是复合句时，附加疑问部分的主语一般与主句主语一致。例如：
You visited Jack when you were in London, didn’t you?
He believes that Mary is right, doesn’t he?
It’s the first time that she has been to the United States, isn’t it?
She doesn’t think it will be very cold, does she?
但如果主句的主语是第一人称，谓语动词是believe, think, consider, guess, expect, suppose, imagine等时，附加疑问部分的主语则与从句主语一致。例如：
I suppose you are coming with us, aren’t you?
I don’t think he cares, does he?
We don’t believe she is a liar, is she?
9．陈述部分是并列句时，附加疑问部分的主语应与邻近分句的主语一致。例如：
She was told again and again, but she still couldn’t remember it, could she?
I didn’t enjoy the hot weather in summer, but we have to live with it, don’t we?
Mike isn’t a diligent student, for it is the third time he has been late, isn’t it?
10．陈述部分是感叹句，附加疑问部分的主语是人时用he, she或you等人称代词，主语是物时用it。例如：
How slim she is, isn’t she?
What a beautiful painting, isn’t it?
二、附加疑问部分的动词
1．陈述部分的动词是have且表示“有”的意思时，附加疑问部分的动词用have/has/had（尤其是英国英语）或do/does/did；不表示“有”的意思时，则只能用do/does/did。例如：
They have a fax machine, haven’t they/don’t they?
She usually has breakfast at about 7 o’colck, doesn’t she?
He had a good time last night, didn’t he?
Linda had her purse stolen on the subway, didn’t she?
2. 陈述部分的动词是have to ，表示“不得不，必须”时，附加疑问部分的动词用do/does/did。例如：
He has to fulfill the task in two days, doesn’t he?
We have to get up at four tomorrow, don’t we?
They had to take the early bus, didn’t they?
3. 陈述部分的动词是情态动词时，附加疑问部分的动词用need；陈述部分的动词是实义动词need时，附加疑问部分的动词用do/does/did。例如：
You needn’t finish the work today, need you?
She needs to buy an English grammar book, doesn’t she?
They need a computer badly, don’t they?
4. 陈述部分的动词是must be,且表示对目前情况的猜测时，附加疑问部分的动词要用be的各种人称变化形式。例如：
Your parents must be in the kitchen, aren’t they?
She must be beautiful, isn’t she?
5. 陈述部分的谓语是“must+现在完成时”，且表示对过去情况的猜测时，附加疑问部分的动词可用did（有明确的过去时间状语）或have/has（无明确的过去时间状语或有现在相关的时间状语）。例如：
They must have arrived there last week, didn’t they?
She must have gone, hasn’t she?
You must have worked here for a long time, haven’t you?
6. 陈述部分的动词是ought to, used to, would rather, had better等时，附加疑问部分动词的用法见以下例子：
The child ought to be punished, oughtn’t he/shouldn’t he?
He used to smoke, didn’t he/usedn’t he?
You’d rather not do it for the time being, would you?
We had better finish the work today, hadn’t we?
三、附加疑问句中的肯定与否定
1． 陈述部分带有hardly, hardly ever, scarcely, barely, rarely, seldom, few, little等半否定词时，附加疑问部分用肯定式。例如：
Few people live to the age of 100, do they?
She had little work that day, had she?
Peter hardly ever goes to parties, does he?
2. 陈述部分的动词带有否定意义或形容词带有否定意义的前缀或后缀时，附加疑问部分仍用否定式。例如：
He failed/refused to come, didn’t he?
They forgot to attend the lecture, didn’t they?
They dislike playing football, don’t they?
He is unfit for the job, isn’t he?
Nancy is careless, isn’t she?
四、附加疑问句的其他特例
1． 陈述部分是I wish结构时，附加疑问部分用may I。例如：
I wish to remain here, may I?
I wish to have a rest now, may I?
2． 陈述部分是I am结构时，附加疑问部分可用am I not（正式语体）,aren’t I或 ain’t I（非正式语体）。例如：
I am the president of this company, am I not?
I am cool, aren’t I/ain’t I?
3．祈使句的附加疑问句有几种情况：
（1）肯定的祈使句，附加疑问部分可用will you, won’t you, can you, can’t you, could you, would you, why don’t you等表示“请求”“客气”“不耐烦”等意义。例如：
Stop fiddling with that TV, will you/won’t you/can’t you?（表示厌烦）
Post this parcel for me, can you/could you/would you?（表示请求）
Take a seat, will you/won’t you?（表示邀请）
Have another one, why don’t you?（表示建议）
（2）Let me/us开头的祈使句，附加疑问部分要用will you。例如：
Let us have a look at your photo, will you?
Let me do it, will you?
（3）Let’s开头的祈使句，附加疑问部分要用shall we。例如：
Let’s go for a walk, shall we?
Let’s not discuss it now, shall we?
（4）否定的祈使句，附加疑问部分用will you。例如：
Don’t make a noise, will you?
Don’t tell anyone I told you, will you?
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