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1、动词的时态,初中英语语法,Grammar,一般现在时: Present Simple 概念: 表示习惯、经常性的动作 结构: do、 does 标志语：usually、often、never、 sometimes、once a week、 twice a month、every year,一般现在时-句型变换,1)表示动作，一般人称作主语的，变否定句须在动词前加助动词dont 。 2) 单三人称做主语的，变否定句须在动词前加助动词doesnt 。,一般现在时 句型变换,变 否定句,变 一般疑问句,变 特殊疑问句,1)表示动作，一般人称作主语的，变一般疑问句须在句首加助动词do。 2) 单三人称
2、做主语的，变一般疑问句须在句首加助动词does。,1)表示动作，一般人称作主语的，变特殊疑问句句首须使用助动词does 2) 单三人称做主语的，变特殊疑问句句首须使用助动词does。,注意：含有be动词的句式要在be上做变化.,一般现在时-句型变化,一般疑问句的句式变化可分为两种情况： 1)表示动作， 一般人称作主语的 变否定句须在动词前加助动词dont； 变一般疑问句须在句首加助动词do。 例如：They have lunch at 12:00. 陈述句 They dont have lunch at 12:00. 否定句 Do they have lunch at 12:00? 一般疑问句
3、,一般现在时-句型变化,2）三单人称做主语的 变否定句须在动词前加助动词doesnt； 变一般疑问句须在句首加助动词does。 例如： Jenny speaks English very well. 陈述句 Jenny doesnt speak English very well. 否定句 Does Jenny speak English very well? 一般疑问句,一般现在时-句型变化,3） 含有be动词的要在be上做变化. Danny is a good student. 陈述句 Danny isnt a good student. 否定句 Is Danny a good stude
4、nt? 一般疑问句 其时间状语为often（经常）、 usually（通常）、 always（总是）、 sometimes（有时）等频率副词，on Saturdays（在星期六）、 in the morning(afternoon evening)（在早上（下午 晚上） 、every day（每天） 等。,Exercise,The twins _(wash) the clothes every day. Sometimes he _ (play) basketball over there. How often _ Sally _(sing)?,wash,plays,专项练习,1 I can
5、take Li Ming there when he _ ( come) to visit. 2 _your sister_(know)English? 3 Her home_ _ _(远离 )her school. 4 The pot_(not look) like yours very much. 5 Where _you_(have)lunch every day? 6 Who_(想要 )to go swimming? 7 _she_(do) the housework every day? 8 Jenny and Danny usually_(play) games in the af
6、ternoon .,Grammar,一般过去时: Past Simple 概念: 表示过去发生的动作 结构: did 标志语：yesterday、. ago、 in 1992、 last week/month,动词-ed形式的构成：,moved died,carried cried,stopped planned,answered,got,drank,took,went,swam,ate,cut,were,had,did,came,said,saw,put,不规则过去式,Exercise,The twins _(wash) the clothes yesterday. The day befo
7、re yesterday he _ (play) basketball over there. _ Sally _(sing) two hours ago?,washed,played,Grammar,现在进行时: Present Progressive,概念: 表示现在正在发生的动作 结构: be (is, am, are) + doing 标志语： Look! 、 Listen! 、now,动词-ing形式的构成：,writing taking,getting running swimming,asking,Exercise,The twins _(wash) the clothes no
8、w. Look! He _ (play) basketball over there. Listen! _ Sally _(sing)?,are washing,is playing,Grammar,过去进行时: Past Progressive 概念: 表示过去正在发生的动作 结构: be (was，were) + doing 标志语：at 8:00 yesterday 、 when、 while、,Grammar,现在完成时: Present Perfect 概念: 表示已经发生的动作 结构: has done、 have done 标志语：already、 yet、ever、 never
9、、since、for、,不规则过去分词,got gotten,went gone,ate eaten,cut cut,were been,did done,said said,不规则过去分词,took taken,swam swum,drank drunk,put put,had had,came come,saw seen,Exercise,The twins _(wash) the clothes for an hour. He _ (play) basketball since three years ago. How long _ Sally _(sing) yet?,have was
10、hed,has played,Grammar,过去完成时: Past Perfect 概念: 表示将要发生的动作 结构: had done 标志语：by the time, 或主句为 一般过去时的宾语从句中,Grammar,一般将来时: Future Simple 概念: 表示将要发生的动作 结构: will do、 shall do、 be (is、am、are) going to do 标志语：tomorrow、in.、next,Grammar,过去将来时: Past Future Simple 概念: 表示过去将要发生的动作 结构: would do be (was、were) goin
11、g to do 标志语：常用于主句是一般过去 时的宾语从句中,Exercise,Learn,Answers,get, got, will get,was reading,is knocking,does surf,have been,have heard,went,would put,Did happen,was doing,doesnt rain, will go,Do play,wont call,has worked,walked, had started,Exercise,Mike,is,comes,is drawing,moved,didnt have,Mike,used,has,studies,will visit,Composition: I,Write,Read,