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1、肯定句、否定句和一般疑问句,下页,?,I am a teacher.I like apples.,Have a look,?,I am not a teacher.I don,like apples.,t,?,Is this your handbag?,Yes,it is.No,it is not.,Do you like apples?Yes,I do.,No,I do not.,Conclusion,?,陈述句：,用于说明一个事实或表达,说话人的看法或观点的句子。,?,陈述句,分为,肯定句,和,否定句,。,?,肯定句表示肯定的意义；,I am a,teacher.I like apples
2、.,首页,上页,下页,否定句,表示否定意义，句中,有否定词,not,never,等，表,示“不”的意思。,I am not a teacher.,I dont like apples.,?,结构为：,?,肯定句：主语,do,will,和,have/,+be,情态动词,动词,/,助动词,+,其他,?,否定句：主语,do,will,和,have/,+be,情态动词,动词,/,助动词,+not+,其他,肯定句和否定句之间的转换,?,1.,如果肯定句中有,be,动词（,am,is,are,was,were,）、助动词,will,和,have,或情态动词（,can,could,must,等），只需在,b
3、e,动词、助动词,will,，,do,和,have,或情态动词之后加,not,即可得到相应的否定句,。,For example,首页,上页,下页,?,My father is a taxi driver.,?,There are some apples on the,肯定句和否定句之间的转换,table.,?,She was a student two years ago.,首页,上页,下页,1.He can play football very well.,2.Mary will come to China next,week.,3.I have finished my homework.,
4、?,2.,如果句子中没有,be,动词、助动词,will,和,have,或情态动词，则需要借助助,动词,do,does,或,did,，并将,not,放在它,们后面，并将句中实义动词变为原形。,?,注意：,do,does,did,后,面必须使用动词原形。,For example,首页,上页,下页,?,I like listening to pop music.,?,He goes to work every morning.,?,Linda drove to school last night.,More Examples,首页,上页,下页,一般疑问句的基本结构：,be,动,词,/,助动词,/,情
5、态动词,+,主语,+,谓语,/,表语,+,其他？,Yes,主语,+be,动词,/,助动词,/,情态,动词,No,主语,+be,动词,/,助动词,/,情态动,词,+not,肯定句和一般疑问句之间的转换,?,1.,如果肯定句中有,be,动词（,am,is,are,was,were,）、助动词,will,和,have,或情态动词（,can,could,must,等），只需将,be,动词、助动词,或情态动词提前至句首，其余内容照,抄下来，改末尾句号为问号即可。,For example,首页,上页,下页,肯定句和一般疑问句之间的转换,?,My father is a taxi driver.,?,She
6、 can play Chinese chess very well.,?,Mary will come to China next week.,?,There are some apples on the table.,首页,上页,下页,?,2.,如果句子中没有助动词,be,动词、,助动词,will,和,have,或情态动词，则需要,借助助动词,do,does,或,did,，将它们放,在句首，并将句中实义动词变为原形。,For example,首页,上页,下页,?,?,?,?,I like listening to pop music.,He goes to work every mornin
7、g.,Linda drove to school last night.,注意：,do,does,did,后面必须使用,动词原形。,首页,上页,下页,More Examples,?,将下列句子变为否定句,1.The dog is bigger than the cat.,2.My English teacher speaks,English very fast.,3.He can eat three hamburgers at,a time.,首页,上页,下页,?,4.Susie found some money on her,way to school.,?,5.My father is v
8、ery hard-,working.,首页,上页,下页,?,6.Grandpa tells stories to us every,evening.,?,7.They were talking loudly at 10:00,p.m.yesterday.,?,8.I can do my homework fast.,?,9.He ate too much at the party.,首页,上页,下页,?,10.He doesn,t live in London with his,uncle.,11.There is some water in the cup.,?,12.I read book
9、s every day.,?,13.Peter goes to the zoo once a year.,?,.,首页,上页,下页,?,将下列句子变成一般疑问句,?,1.He took many photos in front of,the Summer Palace.,_ he _ many photos in front,of the Summer Palace?,?,2.The Earth moves around the Sun.,_the Earth _around the Sun?,3.There are many supermarkets in,the city.,_ _ _supermarkets,in the city?,首页,上页,下页,4.We must send him to the hospital at,once.,_we _him to the hospital,at once?,?,5.Tom usually gets up at 11:00 a.m.,on Sundays.,6.I wrote a letter to my uncle the day,before yesterday.,首页,上页,下页,
