一般现在时动词及句型转换PPT课件

一般现在时动词及句型转换,.,2,动词的种类：,1、情态动词,(canshouldmaymust等),2、连系动词,be(am,is,are)词为代表）,3、行为动词（实义动词）write；run；go；get.,4、助动词,（do或者does）,句型转换,1、找。(动词1和2）,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。,Shecanswim.,Cansheswim?Yes,shecan.No,shecant.,1.含有情态动词的句子,一般疑问句,否定句,Shecannot/cantswim.,.,5,2.含连系动词be的句子,Iamagirl.Iamnotagirl.,Sheisagirl.Sheisntagirl.,Theyarestudents.Theyarenotstudents.,Areyouagirl?Yes,Iam.No,Iamnot.(不可以缩写）,Issheagirl?Yes,sheis.No,sheisnt.,Aretheystudents?Yes,theyare.No,theyarent.,2、加。（动词3和4）,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？,3、还原,当使用了助动词以后，动词必须恢复原形！,Hehassomeboats.,Dotheyhaveanyboats?,Theydonthaveanyboats.,.,8,Jimhasasister.,Jimdoesnthaveasister.,DoesJimhaveasister?,3.含实义动词的句子,.,9,Shegetsupat6:00everyday.,Shedoesntgetupat6:00everyday.,Doesshegetupat6:00everyday?,Yes,shedoes.No,shedoesnt.,.,10,Hedoeshomework.,Hedoesntdohomework.,Doeshedohomework?,Yes,hedo.No,hedoesnt.,4.含助动词的句子,句型练习,将下列句子进行相应的转换：,1、IhaveanEnglishbook.,DoyouhaveanEnglishbook?,IdonthaveanEnglishbook.,一般疑问句,否定句,Yes,Ido.No,Idont.,回答,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?Yes,shedoes.No,shedoesnt.,Jimsmotherdoesnthaveanyphotos.,一般疑问句,否定句,一般疑问句,否定句,.,14,小结：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。实义动词的一般构成：主语+动词原型。（非第三人称）（主语为第三人称单数）主语+动词三单形式。肯定句：主语+动词原形否定句：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：（主语为第三人称单数）Do+主语+动词原形Does+主语+动词原形回答：Yes，主语+do/does.No，主语+dont/doesnt.eg:Ihaveabook.Doyouhaveabook？