10-现在进行时与过去进行时课件.ppt

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1、现在进行时：现在进行时：表示现在正在进行的动作或状态。表示现在正在进行的动作或状态。构成：构成：肯定式：肯定式：be(am,is,are)+doing 否定式否定式:am/is/are not+doing疑问式疑问式:Is/Are+主语主语+doing?标志词标志词:now,look,listen,at eight Eg:Look!Tom is playing chess with his grandfather.Its eight now.We are having an English lesson.一、将下列句子改为否定、疑问句并回答。一、将下列句子改为否定、疑问句并回答。1.Im wr

2、iting a letter to my friend now.否：否：_ _ writing a letter to my friend now.问：问：_ _ writing a letter to my friend now?Yes,_ _.No,_ _.2.They are cleaning the classroom.否否:They _ _ the classroom.问问:_ they _ the classroom?Yes,_ _.No,_ _.二、用所给单词的正确形式填空。二、用所给单词的正确形式填空。1.What _ you _(do)now?I _(swim).2._ yo

3、ur father _(read)a newspaper now?Yes,he _.No,he _3.Look!Who _(give)a talk4.Listen!Mike and Kate _(sing)5.He _(read)now.He _(not write)What are they doing now?They are playing football.What were they doing yesterday?They were playing football.What are they doing?They are runningHe is playing the guit

4、ar.They are dancing.He is swimming.Is he swimming?Yes,he is./No,he isnt.过去进行时怎么说?现在进行时由现在进行时由am/is/are+doing构成构成.想一想想一想,过去进行时的构成是怎样过去进行时的构成是怎样?was/were+doing请看下面的句子：请看下面的句子：I was playing basketball.I was not playing basketball.Were you playing basketball?Yes,I was./No,I was not.想一想想一想,把把I改成改成He/They

5、要怎样说呢要怎样说呢?过去进行时的否定式过去进行时的否定式:was/were not+doing过去进行时的疑问式过去进行时的疑问式:Was/Were+主语主语+doing?标志词标志词:then,at that/this time,at eight yesterday,When I came in,a moment agoEg:1.My father was reading newspaper at nine yesterday.2.LiLei was talking when the teacher came in.主句主句(过去进行过去进行)从句从句 (过去时过去时)3.While Li

6、Lei was talking,the teacher came in.从句从句(过去进行过去进行)主句主句 (过去时过去时)I was listening to the music while I was doing my homework1.It _(rain)when I went out yesterday.2.My father _(play)a basketball match at nine last night.3.They _(practice)singing at that time4.While he _(read),he _(listen)to the music yesterday.5.He said he _(clean)the room at that timewas raining was watching were practicing was reading was listening was cleaning