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1、一、一、肯定句改否定句的方法肯定句改否定句的方法一步法一步法 1、在在be动词后加动词后加not。如:。如:is not,are not,am not,was not,were not;2、在在can,should,will等后加等后加not。如:。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 改成改成any。第1页/共11页二、二、肯定句改一般疑问句的方法肯定句改一般疑问句的方法三步法三步法 1、把把be动词放在句首,剩下的照抄,(动词放在句首,剩下的
2、照抄,(some 改成改成any,my改成改成your等)句等)句点改成问号。点改成问号。2、把把can,shall,will等放到句首,剩下的照抄,(等放到句首,剩下的照抄,(some 改成改成any,my改改成成your等)句点改成问号。等)句点改成问号。例如:陈述句例如:陈述句:They are in the park.He can play the guitar.一般疑问句一般疑问句:Are they in the park?Can he play the guitar?第2页/共11页把下列句子变成一般疑问句把下列句子变成一般疑问句1.I am listening to music.
3、_2.Mike is a student._3.Sarah can clean the classroom._4.They are in the zoo._5.There are some flowers in the vase._6.This is my sister._第3页/共11页3、上述都没有的,在句首请助动词上述都没有的,在句首请助动词Do/Does/Did帮忙,剩下的照抄,帮忙,剩下的照抄,(some 改成改成any,my改成改成your等)等)句点改成问号。句点改成问号。例如例如(1)I like the ducks.Do you like the ducks?(2)He li
4、kes the dogs.Does he like the dogs?(3)I bought a book yesterday._Did you buy a book yesterday?第4页/共11页把下列句子改为一般疑问句。把下列句子改为一般疑问句。1.We need some masks._2.They like making the puppet._3.Su Hai and Su Yang live in a new house._4.I put a book on my head._5.They sing“In the classroom”together._第5页/共11页6.W
5、e play basketball on Sundays._7.Tom likes listening to music_第6页/共11页易错题易错题(一一)1.We do our homework every day.2.My mother always does housework on Sundays.3.He did his homework last night.易错题(二)易错题(二)1.I have a robot.2.She has a new book.3.I have got a robot.4.She has got a new book.第7页/共11页第8页/共11页第9页/共11页第10页/共11页感谢您的观看。第11页/共11页