一般现在时 (2)

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,一般现在时,1,a.一般+s,b.以 s,x,ch,sh,o结尾的+es,c.以辅+y结尾的变 y为 i+es,1.,含义,：表示经常的或习惯性的动作,2.,构成,：,S.(主语)+do(动词原形),S.+v.-s,(动词第三人称单数),3.,标志词,：,every(每),often(经常),2,1.原句中有动词原形:,S.(主语)+,dont,2.原句中有动词第三人称单数:,S.(主语)+,doesnt,动词恢复原形,否定句,e.g.1.I,want,to go to school.,2.She,has,a cat.,I,dont,want,to go to school.,She,doesnt,have,a cat.,3,Ex.,We like English.,He goes to work by car.,3.Tom does his homework at 8.,We,dont,like English,He,doesnt,go,to work by car.,Tom,doesnt,do,his homework at 8.,4,一般疑问句,1.原句中有动词原形:,Do,+原句?,Yes,do./No,dont.,2.原句中有动词第三人称单数:,Does,+原句?,动词恢复原形,Yes,does./No,doesnt.,e.g.1.He,wants,to go home.,Does,he,want,to go home?,Yes,he,does,./No,he,doesnt,.,5,Ex.,I like English.,He goes to work by car.,3.Tom does his homework at 8.,Do,you like English?,Yes,I,do,./No,I,dont,.,Does he,go,to work by car?,Yes,he,does,./No,he,doesnt,.,Does,Tom,do,his homework at 8?,Yes,he,does,./No,he,doesnt,.,6,