1、 陈述句变一般疑问句和否定句Be: is am are动词分类 情态动词：can may must 使役动词（实义动词）：具有实际意义的动词。如： play ,eat , go ,come . Be1 He is a teacher.Is he a teacher ? He isnt a teacher.2 we are good friends .Are you good friends ? We arent good friends.3 There are some apples on the desk.Are there any apples on the desk ?There are
2、nt any apples on the desk.4 I am a good student.Are you a good student ? I m not a good student.总结：对于 Be 动词变一般疑问句的规律：1、把 Be 动词提到句首，首字母大写，句末加问号。2. 遇第一人称 I 、We 变第二人称 YOU3. 肯定句中用 some and 疑问句和否定句中用 any or 但是，若在表示 请 邀请、 请求的句子中，some 可以不变。如： Would you like some orange juice? 与此相关的一些不定代词如 something, somebo
3、dy 等也要进行相应变化。 2.and 变为 or。如： I have a knife and a ruler.I dont have a knife or a ruler. 变否定句时：直接在 be 动词后加 not情态动词变一般疑问句规律：1 I can fly._Can you fly ? I cant fly.2.She can dance and sing .Can she dance or sing ?3.We will climb mountains next week. Will you climb mountains next week ?总结：对于情态动词变一般疑问句的规律
4、：1、把情态动词提到句首，首字母大写，句末加问号。2. 遇第一人称 I 、We 变第二人称 YOU3. 肯定句中用 some and 疑问句和否定句中用 any or即对于情态动词和动词其变化规律一样。将动词置于句首。变否定句时：直接在 be 动词后加 not回答 ： 以谁问，以谁答思考：I play football on sundays. 练习：将下面句子变成一般疑问句并在下面 A、B、C、D 中选出正缺的答案。1、They are new teachers._A.Yes , they arent B. No,they areC.Yes, they are D, No,they arent
5、2.there is a apple and two pears on the desk ._A.Yes , there is B. Yes , it is C.No, there isnt D. No,it isnt3.I will go to school tomorrow . _A.Yes,I will B.No,Iwont C.No, I will D.Yes ,I wont4. This cat is so cute (可爱)._A.No, it isnt B.Yes, this isC.Yes ,it is D.No,this isnt5. My mother is a doctor._A. Yes, she is B.Yes, my mother isC.NO, she isnt D.No. My mother isnt陈述句变一般疑问句练习 1 和否定句1. His father is an English teacher.2. These cats are crying.3. They can swim.4. I like to read English.5. I go to school on foot.6. He likes English.7. His father goes to work by bus.
