初一英语动词及句型转换课件.ppt

动词及句型转换,.水边的阿狄丽娜.WAV,一般现在时:表示经常、反复发生的事情和存在的状态。构成：主语+动词原型。（主语为第三人称单数）主语+动词三单形式。否定句：主语+dont+动词原形。（主语为第三人称单数）主语+doesnt+动词原形。一般疑问句：Do+主语+动词原形Does+主语+动词原形（主语为第三人称单数）回答：Yes，主语+do/does.No，主语+dont/doesnt.eg:Ihaveabook.Yes,Ido.No,Idont.Doyouhaveabook?Shehasabook.Shedoesnthaveabook.Doesshehaveabook?Yes,shedoes.No,shedoesnt.,动词的种类：,1、情态动词,(canmaymust等),2、连系动词,be(am,is,are)动词为代表）,3、行为动词（实义动词）,4、助动词,（do或者does）,句型转换,1、找。,找出所给句子中有没有情态动词（can,may,must）或者be动词。若有情态动词（can,may,must）或者be动词，则直接提前构成一般疑问句，或在其后面加not构成否定句。,2、加。,一般现在时，则根据需要添加助动词do或者does.,变一般疑问句则在句子前面加助动词do或者does.变否定句则在主语后面加助动词dont或者doesnt.。,什么情况下用do，什么情况下用does呢？,Jimhasasister.,Jimdoesnthaveasister.,DoesJimhaveasister?,3、还原,当使用了助动词以后，动词必须恢复原形！,Theyhavesomeboats.,Dotheyhaveanyboats?,Theydonthaveanyboats.,句型练习,将下列句子进行相应的转换：,1、IhaveanEnglishbook.,DoyouhaveanEnglishbook?Yes,Ido.No,Idont.,IdonthaveanEnglishbook.,一般疑问句,否定句,2.Thebrothersgotoschoolat7:00.,3.MissWanghasabigfamily.,Dothebrothersgotoschoolat7:00?Yes,theydo.No,theydont,Thebrothersdontgotoschoolat7:00.,DoesMissWanghaveabigfamily?Yes,shedoes.No,shedoesnt,MissWangdoesnthaveabigfamily.,一般疑问句,一般疑问句,否定句,否定句,4.Thewatchlooksnice.,5.Jimsmotherhassomephotos.,Doesthewatchlooknice?Yes,itdoes.No,itdoesnt.,Thewatchdoesntlooknice.,DoesJimsmotherhaveanyphotos?Y