疑问句：是用来提出问题的句子.
A.一般疑问句：以be动词, have /has/do等助动词、can/may等情态动词开头,以yes或no来回答的问句.
它的基本结构是：Be/Have /Has/Did等助动词（包括情态动词）＋主语＋谓语（包括表语）＋┄?回答常用简略回答.
1、谓语动词是be动词、助动词、情态动词时,只要直接把这些词置于句首,句末改成问号.
eg. There's something wrong with his bike.（改成疑问句）
______ _____ _______ wrong with his bike?
2、谓语动词是行为动词时,必须在句首加上助动词Do、Does（三单）、Did（过去式）加上这些助动词后,句子中谓语动词必须用原形.
eg. 1)Edison built a science lab himself when he was ten. （改成疑问句）
______ Edison ______ a science lab himself when he was ten?
2)Those Japanese like Chinese food.（改成疑问句）
______ those Japanese ________ Chinese food?
注意：在把肯定句改成否定句或一般疑问句的时候,要注意句中是否有already、some、something、somebody等词,如果有也必须进行改变,already要改成yet,some、something、somebody等分别改成any、anything、anybody等.另外,在改成否定句的时候注意把too改成either,both改成neither,all改成none等.在改成一般疑问句的时候,常常把第一人称I、we改成第二人称you.
B.特殊疑问句：以疑问代词或疑问副词开头,提出疑问的句子.
它的基本结构是：特殊疑问词＋一般疑问句语序.但是如果疑问词在句子中作主语或作主语的定语,就用特殊疑问词＋陈述句语序.常用的疑问词有：what, who(whom), whose,which,when,where,how,why等,回答时针对问句中的代词和副词来回答,不用yes或no来回答.
1)对指物名词或谓语动词提出疑问,疑问词用what
①The twins were making a kite when their mother came in. （划线提问）
______ _____ the twins _____ when their mother came in?
②Mrs Turner asked her son to buy some eggs for supper. （划线提问）
_______ ______ Mrs Turner ask her son ______ _______?
2)对名词前定语提出疑问,疑问词应用which,而且必须和名词连用.
I'm going to take the shirt on the right.（划线提问）
______ _____ are you going to take?
3)对指人名词或代词提问用who,作宾语时提问用whom.
eg.Li Ping,they,his father
4)对物主代词和名词所有格提问用whose.
eg. Li Ping's coat→Whose coat my father→Whose father
5)对具体时间提出疑问,如 in the morning,last Sunday等,疑问词用when；对具体几点钟提问,疑问词应用what time.
6)对具体地点提出疑问,疑问词应用where.
The pupils are having a picnic at the foot of the hill. （划线提问）
_____ _____ the pupils having a picnic?
7)对表原因的从句提问,常见的有because引导的从句,疑问词应用why.
Xiao Cheng didn't go to the farm with us because he was ill. （划线提问）
_______ _____ Xiao Cheng go to the farm with us?
8)对方式或程度等提出疑问,用疑问词How.
eg. go by bike like very much
9)对数量提出疑问,疑问词为How many,要注意how many必须跟名词的复数形式.
eg. two hundred sheep→How many sheep
10)对价格提出疑问,疑问词用How much.
eg. I paid fifty yuan for the sweater.
______ ______ did you pay for the sweater?
11)对时间长度提出疑问,疑问词应用How long.
eg. I've worked in that factory for two years. （划线提问）96中考题
______ _____ _______ you worked in that factory?
12)对时间频率,如 once a year, twice a week等提问,疑问词用How often.
13)对具体次数,如 once, twice, three times等提问,疑问词用How many times.
eg. ______ did he call you the day before yesterday?Twice. 96中考题
A.What time B.How many times C.How much D.How long
14)对in＋一段时间提问,疑问词一般用How soon.
eg. Jane and her brother will finish the work in two hours. （划线提问）
_____ _____ _____ Jane and her brother finish the work?
15)对距离提出疑问,疑问词用How far.
eg. It's about two kilometres from here to the country.（划线提问）
______ _____ _____ _____ from here to the country?
16)另外,对日期、星期、天气等提出疑问,则分别用
What's the date?
What day is it ? 如果是过去时间,就用was代替is.
What's the weather like?
练习题
1)She does exercises at home in the evening.（改成否定句、一般疑问句）
She ______ ______ exercises at home in the evening.
______ she _____ exercises at home in the evening?
2)He said something important at the meeting.（改为否定句,一般疑问句）
He _____ ______ ______ important at the meeting.
______ he ______ ______ important at the meeting?
3)It'll take them three weeks to finish the work.（划线提问）
______ ______ _______ it take them to finish the work?
4)I have to wash all the plates and things after meals.（划线提问）
_____ _____ you have to wash all the plates and things?
5)The woman in the red coat is her mother.（划线提问）
______ ______ is her mother?
6)Li Ping spent twenty yuan on the dictionary.（划线提问）
_____ ____ ____ Li Ping _____ on the dictionary?