中考复习专题-8-一般现在时和一般过去时课件

1、一般现在时,知识结构,一般现在时,构成,用法,常用时间,1。主语+ 动词原形 2。 主语+ 动词的s/ es,1、表示经常、习惯性动作。 Tom often goes swimming 2、表示一种客观 事实或真理。 The moon is round。,always 总是 sometimes 有时 often / Usually经常 every day /week /year,动词三人称单数形式的构成,构成规则,例词,1、一般在动词原形末尾加 s look looks start starts 2、结尾是 o, s , sh, ch , 的动词加 es go goes passpasses

2、wash washes watch watches 3 、结尾是“辅音字母+y”的动词, 先变“y”为“i”再加-es study studies carry carries play -plays (元音字母+y 的，则不变）,一、主语不是三人称单数时 肯定： 主+ 动词原形 We often go swimming. 否定: dont+动原 We often dont go swimming. 疑问: Do+主+动原 ? Do you often go swimming? Yes , we do. / No , we dont. I often _ letters to my friend

3、. ( write ) They usually _ playing football after school . (like ) Sometimes we_ _ in PE class .( not run ) When _ you _ up every day ? (get ) The students _ lessons on Sunday .( not have ),二、主语为三人称单数时, 肯定：主+ 动词的 s/ es Tom often goes swimming. 否定: doesnt+动原 Tom often doesnt go swimming. 疑问: does+主+动

4、原 ? Does Tom often go swimming? Yes , he does . / No , he doesnt.,1. Jack _ to go to school by bike every day. ( have ) 2. My mother often _ to work . ( walk ) 3. Sometimes Lucy _ lunch at home .( not have ) 4. Where _ your sister _ ? ( work ),1. He _English in a school.I _maths in a school. ( teach

5、) 2. I often _TV. (watch ) My brother often _books .(read) 3. He _ classes every day. (have) 4.They _ shopping on Monday. (not go ) 5.Tom _ a bike every day. (not ride) 6. My parents _(not like ) fish. 8. What _ you _ ?(do ) 9.Where _ your uncle _? (live) 10. When _she usually _up?( get),teaches tea

6、ch watch reads has,dont go doesnt ride dont like do do does work does get,一般过去时,知识结构,一般过去时,构成,用法,常用时间,主语+动词的过去式,1、表示过去某个时 间发生的动作或 存在的状态。 2、表示过去经常或 反复发生的动作。,yesterday last night in 1990 two days ago,规则动词过去式的构成,构成规则,例词,1、一般在动词原形末尾加 ed look looked play played start started 2、结尾是 e 的动词加 - d live lived h

7、ope hoped use used,3、末尾只有一个辅音字母的 重读闭音节词，先双写这 个辅音字母，再加ed,stop stopped plan planned trip tripped,4、结尾是“辅音字母+y”的动词， 先变“y”为“i”再加ed,study studied carry carried,用 法,1、表示过去某个时间发生的动作或存在的状态。 He was here yesterday. I got up at six thirty yesterday morning. My father was at work yesterday afternoon. Did you ha

8、ve a good time last summer?,2、表示过去经常或反复发生的动作。 My father often went to work by bus last year. When I was a child, I often listened to music.,构 成 肯定： 主+ 动词过去式 We went swimming last weekend. 否定: didnt+动原 We didnt go swimming last weekend. 疑问: Did+主+动原 ? Did you go swimming last weekend? Yes , we did. /

9、 No , we didnt. I _ letters to my friend last night. ( write ) They _ playing football after school a year ago. (like ) we_ PE class yesterday.( not have ) Where_ you _ last Sunday ? (go ) They_ the Great Wall in 1998 .( visit ),PRACTISE,改写句子： 1、Lucy did her homework at home.（改否定句） Lucy _ _ her homework at home. 2、He found some meat in the fridge.（变一般疑问句) _ he _ _ meat in the fridge? 3、She stayed there for a week.（对