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1、一、现在进行时：一、现在进行时：用在叙述某人正在做某事某人正在做某事的时候。（某动作正在进行）（一）结构：结构：“be动词动词+（动词（动词+ing）”,句中可能会有look，listen， now或一个相当具体的时间。 （二）动词加动词加“ing”（现在分词）的变化规则：（现在分词）的变化规则： 1、直接在动词后面加“ing”2、“元音+辅音+e”结尾的单词把e去掉再加ing。例如：dancing3、重读闭音节双写最后字母再加ing，例如： runrunning、swimswimming、 putputting、getgetting、shopshopping1.) Listen! He is
2、 singing.2.) Is Betty swimming now? No, she isnt. Shes running.3.) Look! Shes dancing.二、一般现在时一般现在时： 用来叙述经常性发生的事情、习惯和爱好经常性发生的事情、习惯和爱好等， 时间词always/oftenusuallysometimes/never/every day等。（1）如果叙述的人或事物是第三人称单数行为动词要加上s或es， 其变化规则和名词的复数形式变化规则一样。 John likes going hiking. Mary often gets up at seven oclock. Mr
3、 Li cooks supper every evening. How does he go to school?-He goes to school on foot. Does he go to school on Saturday? Yes, he does.（2）动词第三人称单数变化规则:1）直接在动词后面加“s”。2）以“s、x、sh、ch”结尾的单词，在动词后面加“es”。 wash-washes watch-watches 3）以“辅音+y”结尾的单词，把y改i再加es。 carry-carries study-studies fly-flies4）go 和do 的第三人称单数是g
4、oes 和does（3）、叙述的人或事物不是第三人称单数行为动词要用原形。1.)I usually go to school on foot.2.)We play football every Sunday afternoon.3.)What do they do on Sundays? -They play chess. 三、一般将来时一般将来时： 叙述将要发生的事情或打算。 时间词有：tomorrow, next week，next year, this morning 结构是be going to+动词原形。1.) What are you going to do tomorrow? I
5、 am going to visit my grandpa.2.) Are they going to sweep the floor tonight? Yes, they are.3.) Where is Sarah going (to go) next week? Shes going (to go) the park.四、一般过去时四、一般过去时:一般过去时表示过去某个时间发生的动作或存在的状态,常和表示过去的时间状态连用, 如yesterday, last weekend, last Sunday 等肯定句: I visited my grandpa last weekend. I w
6、as busy last weekend.否定句: I didnt visit my grandparents last weekend. I wasnt busy last weekend.一般疑问句: Did you visit you grandparents last weekend? Yes, I did. / No, I didnt. Were you busy last weekend? Yes, I was. / No, I wasnt.特殊疑问句: Where did Mike go last weekend? He went to the library. How did
7、you go there? I went by bus. What did you do yesterday? I watched a film. Where were you yesterday? I was at home. 动词过去式变化规则：1一般在动词末尾加-ed，如：cook-cooked2末尾只有一个元音字母和一个辅音字母的重读闭音节， 应双写末尾的辅音字母，再加-ed，如：stop-stopped3以“辅音字母+y”结尾的，变y为i， 再加-ed，如：study-studied4不规则动词过去式： am, is-was, are-were, do-did, get-got, go-went, come-came, have-had, eat-ate, take-took, run-ran, put-put, cut-cut hurt-hurt read-read catch-caught buy-bought make-made, write-wrote, drink-drank, swim-swam, sit-sat see-saw,