如何将陈述句变为一般疑问句和特殊疑问句
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如何将陈述句变为一般疑问句和特殊疑问句是考试中的常考题，有的同学在做此类题时常有一定的困难，相信同学们看了下文的解题指导，疑难就会迎刃而解了。
陈述句变为一般疑问句：
1. 陈述句中含有be (am, is, are)动词时，只要将be(am, is, are) 动词提到句首并把首字母改成大写，句末的句号改成问号即可。例如：
（1）Tom is behind the door.
Is Tom behind the door?
（2）There are four people in his family.
Are there four people in his family?
（3）I’m in Class 1, Grade 7.
Am I in Class 1, Grade 7?
2.当主语是人称代词I和we时，改成一般疑问句，最好将I或we 改成you, be动词一律使用are；句中如果有my, our要改成your。例如：
例3最好改成：Are you in Class 1, Grade 7?
There are forty students in our class.
Are there forty students in your class?
3.陈述句中含有some，改成一般疑问句时，some 要改成any。例如：
There are some books on the desk.
Are there any books on the desk?
4. 陈述句中不含有be (am, is, are)动词，要改成一般疑问句时，分为两种情况：A.当主语不是第三人称单数时，在主语前加助动词do, 句末的句号改成问号。B.当主语是第三人称单数时，在主语的前面要加助动词does, 原来句中动词的第三人称单数形式要改成动词原形。例如：
I have a baseball bat.
Do you have a baseball bat?
He reads English every morning.
Does he read English every morning?
陈述句变为特殊疑问句：
陈述句变为特殊疑问句即是对画线部分提问。
1.首先要选择正确的特殊疑问词，要弄清疑问词用来询问什么，如：问物用what; 问年级用what grade; 问健康状况要用how; 问年龄要用how old; 问地点要用where 等等。例如：
I’m thirteen.
How old are you?
I’ m in Grade Two.
What grade are you in?
2.特殊疑问句是由“疑问词+一般疑问句”构成的，所以，疑问词确定后，要将原句改成一般疑问句（画线部分要去掉）。例如：
My name is Jim White.
What is your name?
My father works in a school.
Where does your father work?
注：疑问词作主语时，语序不变。例如：
Betty watches TV every evening.
Who watches TV every evening?
3.如果对there be 句型中的主语提问，无论主语是单数还是复数，习惯上用“What’s +表示地点的介词短语？”句型，中间不用there。例如：
There is a big table in the room.
What’s in the room?
4.如果对there be 结构中表示数量的词提问，无论数量是单数还是复数，都用“How many +名词复数+are there +表示地点的介词短语？”或“How much +不可数名词+is there +表示地点的介词短语？”两种句型。例如：
There are ten oranges in the box.
How many oranges are there in the box?
There is some water in the glass.
How much water is there in the glass?
[巩固练习]
一、将下列句子改成一般疑问句：
1. I’m thirteen.
2. That sounds good.
3. They have tennis rackets.
4. There are some baseballs in my room.
二、将下列句子改成特殊疑问句：
1. I’m fine today.
2. There is a pencil sharpener on the desk.
3. There are three erasers in the box.
4. There is some chicken on the plate.
5. We watch TV on Sundays.
6. She has breakfast at home.
Key:
一、1. Are you thirteen?
2. Does that sound good?
3. Do they have tennis rackets?
4. Are there any baseballs in your room?
二、1. How are you today？
2. What’s on the desk?
3. How many erasers are there in the box?
4. How much chicken is there on the plate?
5. When do you watch TV?
6. Who has breakfast at home?