动词-时态-现在进行时和过去进行时.ppt

《动词-时态-现在进行时和过去进行时.ppt》由会员分享，可在线阅读，更多相关《动词-时态-现在进行时和过去进行时.ppt（17页珍藏版）》请在三一办公上搜索。

1、现在进行时,一、结构,be(am/is/are)+V-ingEg:我妈妈正在做饭。My mother is cooking.,二.现在进行时用法,a.说话时正在进行,b.现阶段正在进行,Look,they are playing football.,He is writing a novel this year.,come,go,leave,start,arrive等动词的现在进行 时，表示即将发生的动作。,They are going to Shanghai this Friday.,d.表示一个循序渐进的变化过程。,China is getting stronger and stronge

2、r.,三.时间标志词,Now,at the moment,recently,these days.另有一些暗示现在发生的词：Look,listen 等Eg:听，Lucy正在唱歌。Listen,Lucy is singing.我这些天正在看一本小说。I am reading a novel these days.,四.+ing的规则,1.直接+ing:look-looking2.去e+ing:leave-leaving3.重读闭音节，双写+ing:sit-sitting小试牛刀：begin,openrunhave,ning,ing,ning,ing,五、句型变化,He is doing his

3、homework.He isnt doing his homework.Is he doing his homework?Yes,he is.No,he isnt.What is he doing？,Exercise,1.Look,the children_basketball on the playground.(play)2.What_you_(do)these days?3.It_(rain)harder now.It_(rain)quite often in summer.4.It_(get)dark.What about_(go)home at once?,六.一般现在时和现在进行时

4、的主要区别,一般现在时表示经常性的动作，现在进行时 表示现在或现阶段正在发生的动作。,He studies hard.他努力学习。,He is studying hard.他正在努力学习。,七、没有进行时的情况,1.表示状态的动词be.2.表示感官的动词：feel,hear,see,smell,taste,sound,notice.因为强调结果，所以没有进行时态。3.表示情感,思想状态或所属关系的词：like,dislike,love,hate,prefer,want,forget,remember,understand,hope,think,know.belong,have,own,一共学了

5、几个时态了？,过去进行时,一.结构,was/were+V-ing过去 进行时表示过去 某一时刻或某一阶段正在进行的动作.Eg:昨晚八点我正在看电视。I was watching TV at 8 oclock last night.,二.过去进行时用法,过时正进,过段直进,when,while,I was doing my homework at eight last night.,They were watching TV from nine to ten yesterday.,They were reading books when the teacher came in.,三.时间标志词,

6、then,at that time,at six yesterday,at this time yesterday.有时没有这些时间状语，就需要通过上下句的联系来表示。Eg:他那时正在洗澡。He was having a bath then.,四、句型变化,He was watching TV at this time yesterday.He was not watching TV at this time yesterday.Was he watching TV at this time yesterday?Yes,he was.No,he wasnt.What was he doing at this time yesterday?,Exercise,1.What_you_at five yesterday afternoon?(do)2.I found that the students_(play)football on the playground.3.We_(have)lunch when suddenly someone knocked at the door.,Thank you!,