现在进行时和过去进行时课件

1、现在进行时和过去进行时,The Present Continuous Tense,马海霞,and the past Continuous Tense,She,read,is,ing,now.,He,eat,is,ing,now.,Listen!,The bird,is,sing,ing.,Look!,The boy,is,play football.,ing,They,dance,are,now.,ing,知识要点：,一.现在进行时的定义:,现在进行时是表示现在、说话瞬间或当前一直正在做着的动作.,Eg: Jenny is watching TV now. I am writing.,二.现在

2、进行时的谓语结构:,现在进行时的谓语结构为: am/is/are +动词的现在分词 am/is/are 在现在进行时句子谓语结构中作助动词用，无词义。am/is/are的选择运用由句子的主语人称或数决定。,A: I am watching TV at home. B: Dave is cleaning the floor. C: The students are seeing a movie.,四.现在进行时的形式转换：,1.将一个现在进行时的肯定句变为一般疑问句时，将句中的be动词提到句首。 Eg: He is talking to his teacher. Is he talking to

3、 his teacher? I am singing.- Are you singing?,2.将现在进行时的肯定句变为否定句时，在be动词后面加上not. Eg: He is talking to his teacher He isnt talking to his teacher. The children are eating some apples at my home. The children arent eating any apples at my home.,Exercises:根据句意，用所给动词的适当形式填空：,（1）Listen!Mr Wu on the phone.

4、(talk). (2) I football now. Im walking .(not play) (3) Is your father at home? Yes ,he is .He a TV show .(watch) (4)They to go to the shop now. (want ) (5) you for your friends? (wait) No, Im not.,is talking,am not playing,is watching,want,Are,waiting,Exercises:,(6 )He is very busy . He a letter .(w

5、rite) （7）Dont speak! My father .(sleep) (8) Its twelve oclock. The students (have) lunch. (9 )Dont go out! It outside. (rain) (10)Why are you standing here , Dave？ I for Lilei .(wait),is sleeping,are having,is raining,am waiting,is writing,1.He was cooking at this time yesterday.2.He was riding a ho

6、rse at nine last Sunday.3.He was playing football at four oclock last Friday.4.She was cleaning the classroom this time yesterday.5.They were having a class yesterday afternoon.,1.意义：,2.构成：,3.标志词：,表示在过去某一时刻或一段时间正在进行的动作。,was/were +doing,否定式：,was/were not +doing,疑问式：,Was/Were doing?,at this time yeste

7、rday at 9:00 last night was/were doing when.did.,一 用所给动词的适当形式填空 1What _ you _ (do) at noon yesterday? 2)I _(watch) TV when my mother_ (come) in. 3) He _(do) his lessons at ten yesterday morning.,were,doing,was watching,came,was doing,4) The children _(play) football at four yesterday afternoon. 5) The baby _ (sleep) when the mother came back.,was sleeping,were playing,二. 完成下列句子 1）Li Lei _(在读英语）at this time yesterday.,was reading,2) They _ (在扫地）after school yesterday. 3）The boys and girls_(在唱歌） last night. 4)You _（在打篮球）yesterday afternoon, werent you