Unit 2 On the Weekend Lesson 4 Helping at Home---现在进行时讲解.ppt

1、Unit 2 On the Weekend Lesson 4 Helping at Home 现在进行时讲解,Unit Review,现在进行时表示此时此刻正在进行或继续的动作。,He is singing.,sing,draw,He is drawing.,dance,They are dancing.,表示现阶段一直在做的事情，但说话时不一定在做。,We are learning Japanese this year. 我们今年学习日语。,表示发生在将来的事情。 My father is flying to Beijing tomorrow. 我爸爸明天要乘飞机去北京。,He is sin

2、ging.,He is drawing.,They are dancing.,be (am/is/are),+,doing,助动词am/is/are,+,动词现在分词,现在进行时的基本结构,动词现在分词的构成,1.多数动词在词尾加-ing。,go,study,speak,ing,ing,ing,2.以不发音字母e结尾的动词,先去掉e,再加-ing。,come,ing,dance,ing,write,ing,3.以一个元音字母加一个辅音字母结尾的动词，且该词是重读闭音节时，先双写最后这个辅音字母，再加-ing。,run,ning,sit,ting,begin,ning,swim,ming,4.

3、die, tie, lie 要改ie为y，再加-ing。,die,ying,tie,ying,lie,ying,写出下列动词的现在分词形式,going,doing,watching,write- go- do- sit- take- watch- have- shop- make-,writing,sitting,taking,having,shopping,making,come- cut- wait- arrive- stop- put- eat- dance- get-,coming,cutting,waiting,arriving,stopping,putting,eating,dan

4、cing,getting,leave- begin- clean- swim- read- teach- see- lie-,leaving,beginning,cleaning,swimming,reading,teaching,seeing,lying,现在进行时的肯定式(以work为例),主语+助动词am/is/are + 现在分词doing,I,am,working.,He,is,She,is,It,is,You,are,They,are,working.,working.,working.,working.,working.,现在进行时的否定式(以work为例),主语+助动词am/i

5、s/are+not+现在分词doing,I,am,working.,He,is,She,is,It,is,You,are,They,are,working.,working.,working.,working.,working.,not,nt,nt,nt,nt,nt,现在进行时的一般疑问式(以work为例),助动词Am/Is/Are+主语+现在分词doing,I am working.,Are,you,working?,Yes, _. No, _.,I am,Im not,He is working. 否定: 一般疑问句: 回答:,They are working. 否定: 一般疑问句: 回答

6、:,Is he working?,He isnt working.,Yes, he is.,No, he isnt.,They arent working.,Are they working?,Yes, they are.,No, they arent.,现在进行时的特殊疑问式,What/Where+am/is/are+主语+现在分词doing?,What _ you doing? Where _ she reading? What _ he doing? Where _ they reading?,are,is,is,are,Who _ reading in the room?,is,行为动

7、词的现在进行时,go-_,going,am going,is,are going,I am not going home.,Are you going home?,Yes, I am. No, Im not.,Is he/she going home?,He/She isnt going home.,Yes, he/she is. No,he/ she isnt.,You arent going home.,Are we going home?,Yes,you are. No,you arent.,We/They arent going home.,Are you/ they going ho

8、me?,Yes,we/ they are. No,we/ they arent.,going,are going,常与现在进行时连用的时间状语,now 现在,right now 现在,at the moment 现在、此时此刻,前面有look，listen，Its (时间)等词时，也用进行时。,Look! The boys _ football over there.,are playing,Its 7a.m. He _ to school.,is going,Look, Mr. Wu _ ( play ) football. -Where is Li Lei ? - He _ ( water) trees in the garden. 3. The baby _ ( sleep ).,用动词现在进行时态填空:,is playing,is watering,is sleeping,4. Look! A dog _ (run) after a cat. 5. The Green family _ (have) lunch now. 6. Now I _ (study) at a new school.