初一现在进行时 时态讲解及练习课件.pptx

1、现在进行时Present continuous tenseAn apple a day keeps the doctor away.He is drinking.What is he doing?What is she doing now?She is riding a bike.结论：当我们描述一个正在发生的动作要用现在进行时。现在进行时：定义：表示现在（说话瞬间）正在进行或发生的动作。例句：You are listening to me now.也表示当前一段时间内的活动或现阶段正在进行的动作。例句：He is writing a book these days.现在进行时结构：Be动词（

2、is/am/are）+动词-ing 即：be+doing现在进行时 一，现在进行时肯定句的构成：肯定句：主语+am/is/are+v-ing.例子：I am eating.You/We/They are eating.He/She/It is eating.主语+be动词+动词ingThe horse is running.He is walking to school.The plane is flying.现在进行时否定句的构成：否定句：主语+am/is/are not+v-ing.例子：I am not eating.You/We/They are not eating.He/She/I

3、t is not eating.否定全写=缩写is not =isntam not=m notare not=arentHe is not drinking water.He is drinking some juice.They are taking pictures.They are not watching TV.练习：按要求用正确形式填空：1.John （watch）TV now.(肯定句)2.Look!The students (listen)to the teacher.（否定句）3.I (write)a book this year.（肯定句）4.The boy (draw)a

4、picture now.(否定句)5.Listen.Some girls (sing)in the classroom.(肯定句)is watchingare not listening am writingis not drawingare singing思考：为什么要用现在进行时？标志词：now,look,listen.强调正在进行。二，动词ing形式的构成：大多数动词+ing think-thinkingtalk-talkingcook-cooking以不发音e结尾的动词-e+ing take-takingmake-makingwrite-writing以ie结尾的动词-ie+y+ing

5、lie+lying(躺）tie-tying（系，打结）某些以“一个元音字母+一个辅音字母”结尾的动词双写辅音字母+ingrun-running swimming-swimming get-getting写出下列动词的现在分词形式 read-cook-dance-make-sit-run-lie-look-paint-write-taste-get-swim-tie-readingcookingdancingmakingsittingrunninglyinglookingpaintingwritingtastinggettingswimmingtying考点精练：1.The boys (draw

6、)a picture now.2.Listen.The girl (sing)in the classroom.3.My mother (cook)some nice food now.4.What you (do)now?5.Look!They (have)an English lesson.6.They (not,water)the flowers now.7.Look!The girls (dance)in the classroom.8.What is our granddaughter doing?-She (listen)to music.9.Its 5 oclock now.We

7、 (have)supper now 10.Helen (wash)cloths now.are drawingis singingis cookingdoing areare havingare not wateringare dancingis listeningare havingis washing三，现在进行时一般疑问句的构成及回答：You are drawing now.Are you drawing now?Yes,I am.(肯定回答)No,I am not.(否定回答)He is having a shower.Is he having a shower?Yes,he is.N

8、o,he isnt.结构：Be动词+主语+动词-ing.规律：将be动词移到主语前面。You are taking a bus.Are you taking a bus?Yes,we are.They are flying.Are they flying?Yes,they are.练习：1.They are doing their homework.一般疑问句：_ 否定回答：_ 2The students are cleaning the classroom.一般疑问句：_ 肯定回答：_ 3He is playing the football in the playground。一般疑问句：_

9、 肯定回答：_Are they doing their homework?No,they arent.Are the students cleaning the classroom?Yes,they are.Is he playing the football in the playground?Yes,he is.特殊疑问句 Are you doing your homework?What are you doing?Why are you doing your homework?Where are you going?结构：疑问词+be动词+主语+V-ing(what,where,why,

10、when,how)练一练：句型转换：1.They are doing housework.一般疑问句：_ 否定句：_2The students are cleaning the house.一般疑问句：_ 否定句：_3Im playing the football in the playground.(对划线部分进行提问).4Tom is reading books in his study.(对划线部分进行提问).Are they doing housework?They arent doing housework.Are the students cleaning the house?The students arent cleaning the house.Where are you playing the football?What is Tom doing in the study?