一般疑问句及其否定形式特殊疑问句ppt课件.ppt

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1、1,一一般疑问句及其否定形式,2,情态动词,情态动词有can (could), may (might), must, have to, shall (should）, will (would), dare, need, ought to等。 情态动词无人称和数的变化；不能单独使用，必须与其后的动词原形构成谓语。,3,例3We can fly to the moon one day._ _ fly to the moon one day?,(1) 肯定句变为一般疑问句,a.变为一般疑问句时，系动词be、助动词或情态动词置于主语之前。,例1 He is so clever. _ _ so clev

2、er?,例2John feel happy._ John _ happy at that time?,Is,he,Does,feel,Can,you,4,肯定句改一般疑问句的方法三步法,1、 把be动词放在句首，剩下的照抄some 改成any，my改成your等句点改成问号。2、 把can，shall， will等放到句首，剩下的照抄，（some 改成any，my改成your等）句点改成问号。例如：陈述句: They are in the park. He can play the guitar.一般疑问句: Are they in the park? Can he play the guit

3、ar?,5,3. 上述都没有的，在句首请助动词Do/Does/Did帮忙，剩下的照抄，（some 改成any，my改成your等）句点改成问号。例如：陈述句: I like the ducks. He likes the dogs.一般疑问句：Do you like the ducks? Does he like the dogs?,6,practice,1. She feels sick.Does she feel sick?2. I know something about this story. Do you know anything about this story?3. Banan

4、as are my favourite.Are bananas your favourite ?,7,例3 The doctor can help that people. The doctor _ _ that people.,b. 变为否定句时，系动词、助动词或情态动词后加not。,例1 The twins are happy to see their uncle. The twins _ _ to see their uncle.,例2 Mr. Smith works hard every day. Mr. Smith _ _ hard every day.,arent,happy,do

5、esnt,work,cant,help,8,肯定句改否定句的方法一步法,1、 在be动词后加not。如：is not ， are not ， am not， was not， were not；2、 在can，should， will等后加not。如：cannot， should not， will not；3、 上述都没有的，在动词前加助动词否定形式dont/doesnt/didnt。4、 some 改成any。,9,practice,1 Im thirteen years old.Are you thirteen years old?2 He likes his family member

6、s.Does he like his family members?3 We are singing and dancing.Are you singing and dancing?,10,4 Mary can ride a bike.Can Mary ride a bike?5 John is a tall and kind person.Is John a tall and kind person?6 There is some broccoli in the bowl.Is there some broccoli in the bowl?,11,7 I will take it.Will

7、 you take it?8 Her sister-in-law is a teacher.Is her sister-in-law a teacher?9 My father cooks well.Does your father cook well?10 Our little brother draws a nice picture.Does your little brother draw a nice picture?,12,特殊疑问句 =特殊疑问词 + 一般疑问句,13,14,How many+(可数n),How much+(不可数n),易错点:A:必须和其后n一起使用构成主语B:区

8、分可数与不可数,15,变特殊疑问句分为三步：一定：根据画线部分确定特殊疑问词， 并代替画线部分。二变：将句子变成一般疑问句。三提：将特殊疑问词提前。,16,1 当画线部分是句子的主语，挑选适当特殊疑问词即可，不做其它变化。 Jenny has a lovely pet. Who has a lovely pet ?2 在用特殊疑问词代替画线部分时，要适当加词使句子通顺。 They play football. What do they do?,17,1. _ is that pretty girl? She is my sister.2. _ are Jack and Tom? They ar

9、e behind you.3. _ do you go to school? I go to school from Monday to Friday.,Practice,Who,Where,When,18,4._ has a beautiful flower? John has a beautiful flower.5._ are they? They are beautiful flowers.6._ is your mother? She is very well.7._ are your book? This one.,Practice,Who,What,How,Which,19,8.

10、_ ball is this? Its Jims.9._ does he jog? He jogs in the park.10._ are you late? Because I didnt catch the bus.,Practice,Whose,Where,Why,20,1.He is my father. Who is he ?2.They are under the tree. Where are they ?3.I often watch TV after dinner. When do you often watch TV ?,Practice,21,4.Lily swims

11、in the swimming pool. Where does Lily swim ?5.Birds can fly in the sky. What can fly in the sky ? 6.I brush my teeth in the evening. When do you brush your teeth ?,Practice,22,7.Alan likes to play with Bill. Who likes to play with Bill ? 8.Joes father plays basketball every weekend. How often does J

12、oes father play9.The supermarket is near the school. Where is the supermarket ?,Practice,23,10.The laptop is Toms. Whose the laptop is ? 11.Jennifer has a pair of earrings.Who has a pair of earrings ? 12.The flowers are in the flower pot.Where are the flowers ?,Practice,24,易用错的词:,whose,How many,How much,Whose book is it?,How many books do you buy?,How much water do you need?,