句型转换题解题技巧ppt课件.ppt
句型转换题型解题技巧(针对七年级水平)肯定句改否定句的方法:一步法n 在在be动词后加动词后加not。如:如:is not,are not,am not,was not,were not;n 在在can,should, will等情态动词后加等情态动词后加not。如:如:can not, should not, will not;n 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。如:如:dont,doesnt,didnt。变否定句时须注意某些词的变化,如:变否定句时须注意某些词的变化,如:some改为改为any, something改为改为anything, already改为改为yet, both改为改为neither, all改为改为none等。等。肯定句改一般疑问句的方法:三步法n 一调二改三问号:把一调二改三问号:把be动词或情态动词动词或情态动词can/could/will/shall等放在等放在句首,剩下的照抄,(句首,剩下的照抄,(some 改成改成any,my改成改成your等)句点改成等)句点改成问号。问号。n 一加二改三问号:没有一加二改三问号:没有be动词或情态动词的,在句首请助动词动词或情态动词的,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。对划线部分提问(肯定句改特殊疑问句):四步法n 在一般疑问句的基础上,句首添加一个疑问词,在一般疑问句的基础上,句首添加一个疑问词,根据划线部分确定是什么疑问词。根据划线部分确定是什么疑问词。n 接着找接着找be动词或动词或can,shall, will等放在疑问词等放在疑问词后面,若没有则请助动词后面,若没有则请助动词do/does/did帮忙,写帮忙,写在疑问词后面,在疑问词后面,how many除外,必须先写物品,除外,必须先写物品,再写再写be动词等。动词等。n 划线部分去掉后剩下的内容照抄,(划线部分去掉后剩下的内容照抄,(some 改成改成any,my改成改成your等)等)n 句点改成问号。句点改成问号。n 一、对主语提问:只需选择一个恰当的疑问词代替划线部一、对主语提问:只需选择一个恰当的疑问词代替划线部分,句子的语序不变,指人用分,句子的语序不变,指人用who, 指物用指物用what或或which。如:如:n 25. Mr. Green teaches them English.(2005新疆)新疆)n Who teaches them English?n 二、对谓语提问:不管后面接宾语与否,疑问词都用二、对谓语提问:不管后面接宾语与否,疑问词都用what, 并用并用do的适当形式代替谓语部分。如:的适当形式代替谓语部分。如:n 26. He was playing basketball at four yesterday afternoon. (2005青海)青海)n What was he doing at four yesterday afternoon?三、对宾语提问:指人的用三、对宾语提问:指人的用who(whom), 指物的指物的用用what或或which。如:。如:27. He lives with his grandmother.(2005江苏)江苏)n Whom does he live with?28. I have two books in my bag. (2004山东省泰山东省泰安市)安市)n What do you have in your bag?四、对表语提问:要根据表语所表示的不同意思,选择不同四、对表语提问:要根据表语所表示的不同意思,选择不同的疑问代词。指人时一般用的疑问代词。指人时一般用who;指时间时用;指时间时用when或或what time;指职业时,用;指职业时,用what;指颜色时用;指颜色时用what colour; 指距指距离时用离时用how far等。如:等。如:29. Those flowers are red. (2004重庆)重庆)n What colour are those flowers?30. Urumchi is 3790 kilometres away from Wuhan. (2005新疆)新疆)n How far is Urumchi away from Wuhan.五、对定语提问:问谁的用五、对定语提问:问谁的用whose, 问哪个用问哪个用which或或what, 问数量用问数量用how many (much)。)。n 31. The car near the river is mine. (05泰安)泰安)Which car is yours?n 32. I borrowed nine books from the library. (05新疆)新疆)How many books did you borrow from the library?六、对状语(从句)提问:指时间的疑问词用六、对状语(从句)提问:指时间的疑问词用when (what time), 指地点用指地点用where, 表示原因用表示原因用why, 表示程度、方式表示程度、方式用用how, 表示频度用表示频度用how often,表示时间段用,表示时间段用how long等。等。n 33. Allan will go back to England by plane next month. (04福州)福州)How will Allan go back to England next month?n 34. John went to see his grandmother once a week. (04广州)广州)How often did John go to see his grandmother?n 35. He has worked in this school for five years. (04成都)成都)How long has he worked in this school?n 36. Mrs Read didnt sleep well last night because the wind made too much noise. (05济南)济南)Why didnt Mrs Read sleep well last night?n 37. Jim will return in two weeks. (05哈尔滨)哈尔滨)How soon will Jim return?七、对混合成分提问:同时对两个或两个以七、对混合成分提问:同时对两个或两个以上的提问时,可以用上的提问时,可以用and把几个疑问词连起把几个疑问词连起来放在句首。如:来放在句首。如:n38. I met Jim in the park the day before yesterday. (04吉林)吉林)When and where did you meet Jim? 单数句与复数句之间的互变n 转化时,名词和动词的人称和数,人称代词、物主代词、指示代词转化时,名词和动词的人称和数,人称代词、物主代词、指示代词的人称和数都要作相应的变化。如:的人称和数都要作相应的变化。如:n That is my book. (2004浙江省宁波市)浙江省宁波市)n Those are our books.n She is his student. (2005江苏)江苏)n They are their students.1.I know the answer.(一般疑问句一般疑问句) _ _ know the answer? 2.We can see some birds.(一般疑问句一般疑问句) _ _ see _ birds?3.There is a computer in my house.(一般疑问句一般疑问句) _ _ a computer in house? 4.There are some flowers on the teachersdesk.(一般疑一般疑问句问句) _ _ _ flowers on the teachersdesk? 5.There are some apples on the tree.(否定式否定式) There _ _ _ apples on the tree. 6.I think he is very old.(否定句否定句) I _ think he _ very old. 7.Please colour it green.(否定句否定句) _ _ colour it green. 8.We can speak good English.(否定句否定句) We _ _ speak good English. 9.Thank you for helping me.(同义句同义句) Thank you for _ _ . 10.There arent any pears in thebox.(同义句同义句) There are _ pears in the box. 11.Whose are these clothes?(同义句同义句) _ _ are these? 12.Let me look at your book.(同义句同义句) Let me _ _ _ _ your book. 13.Her sweater is red.(对划线部分提问对划线部分提问) _ _ is her sweater? 14.My pencils are in the pencil-box.(对划线部分提问对划线部分提问) _ _ your pencils? 15.I get up at six every day.(对划线部分提问对划线部分提问) _ _ do you get up every day? 16.There are fifty students in my class.(对划线部分提问对划线部分提问) _ _ students are there in your class? 17.These are cars.(用用buses改写成选择疑问句改写成选择疑问句) Are these cars_ _ ? 18.The book is in my schoolbag.(变否定疑问句变否定疑问句) _ the book in your school-bag? 19.Two boys are in our house.(改为改为there be句型句型) _ _ two boys in our house. 20.Cant you find the map?(作肯定回答作肯定回答)_ ,I_ .