1、现在进行时现在进行时表“正在” 主语+be+现在分词The students of Class Two are singing . 二班的学生正在唱歌。She is putting on a yellow sweater . 她正在穿一件黄毛衣。I am looking at the blackboard . 我正在看黑板。注意动词的现在分词的变化。put putting , cut (砍，割) cutting , run running 。否定式： 主语+be+not+现在分词 如：They arent playing basketball . 他们不在打篮球。She is not havi
2、ng breakfast . 她没在吃早饭。疑问句式: Be+主语+现在分词+其他 如：Are you doing your homework now ? 你现在正在做作业吗 ?Are you doing your homework now ? 你现在正做作业吗 ?Is Lily coming tomorrow ? 莉莉明天会来吗 ? 提示 此句型的否定回答为：Yes , 主语+be.否定回答为 No .主语+be not.详细讲解:( 1 ) 表示说话时在进行或发生的动作，也可表示当前一段时间内的活动或现阶段正在进行的动作。时间状语：now, look, listen，Its oclock,
3、 例如：He is watching TV now .We are working on a farm these days .( 2 ) 时态构成：动词 be ( am / is / are ) +现在分词( 3 ) 现在分词的构成：1 ) 一般在动词原形末尾加 - ing . 例如：asking studying2 ) 以不发音字母 e 结尾的动词，先去掉 e , 再加 - ing。例如：writing taking3 ) 以重读闭音节结尾的动词，如果末尾只有一个辅音字母，应先双写这一字母，再加 - ing . 例如：getting sitting beginning running pu
4、tting( 4 ) 现在分词的肯定形式、否定形式、疑问形式及其回答，所有变化都体现在助动词 be ( is / am / are ) 上。现在进行时的肯定形式：I am working . They are writing .现在进行时的否定形式：I am not working . They arent writing .一般疑问句及回答：Am I working ? Yes , you are . / No , you arent .Are they writing ? Yes , they are . / No , they arent .特殊疑问句及回答：What are you d
5、oing ? We are working .Where is he playing basketball ?He is playing basketball on the playground .( 5) 不是所有动词都能用现在进行时态的，如：see、like、want、know 等动词往往都不用进行时态。现在分词构成口诀 现在分词很好记，动词后缀-ing。 直接加、去 e加、双写加。 还有一点要注意 ie要用 y来替。 现在进行时用法口诀 主语在前 be在后，现在分词跟着走，其他成分不可丢。 变一般很简单，把 be 提到句子前，否定句也不难，be 后要把 not添。还有一点要注意，动作提问
6、 doing替。 现在进行时练习集锦一、 将下列动词变成 ing 形式 help_ come_ swim_ eat _ give_ find _ sit _ write_ tie_ make _ play_ clean _ catch_ walk_ ride _ run_ draw_ listen_ begin _ dance_ 一、按要求改写句子1. The boy is playing basketball.否定句：_一般疑问句：_肯定回答：_否定回答：_对“ The boy”提问：_2.造句:1).she,the window,open,now.(用现在进行时连词成句.)_2).is,w
7、ho,the window,cleaning?(连词成句)_3).She is closing the door now.(改成否定句)_4.)You are doing your homework.(用“I“作主语改写句子)_5).they,the tree,sing,now,under.(用现在进行时连词成句.)_6).The Young Pioneers are helping the old woman.(改成一般疑问句)_二、单项选择（ ）1.我在照看孩子.(A)I am looking after the baby.(B)Im look aftering the baby.(C)I
8、 look am aftering the baby.(D)I looking after the baby.( )2._friends making_a kite.(A)I,me (B)My,my (C)My,me (D)His,his( )3.Is the woman _ yellow your teacher?(A)in (B)putting on (C)wearing (D)having( )4.Look!The twins_their mother do the housework.(A)are wanting (B)help(C)are helping (D)are looking
9、( )5._are the birds doing? They are singing in a tree.(A)Who (B)What (C)How (D)Where( )6.Is she_something?(A)eat (B)eating (C)eating (D)eats( )7.你在干什么?(A)What is you doing? (B)What are you do?(C)What are you doing? (D)What do you do?( )8.What are you listening_? (A)/ (B)for (C)at (D)to( )9.我正在听他说话.(
10、A)I listening to him. (B)Im listening to him.(C)Im listen to him. (D)Im listening him.( )10.They are_their clothes.(A)makeing (B)putting (C)put away (D)putting on( )11.Listen! She_in the classroom.(A)is singing (B)sing (C)to sing (D)is sing( )12.Today Jim_ his white shirt and brown trousers.(A)is pu
11、tting on (B)wear (C)put on (D)is wearing( )13._are you eating?Im eating_meat.(A)What,some (B)Which,any (C)Where,not (D)What,a( )14.They_TV in the evening.They do their homework.(A)are watching (B)cant watching (C)dont watch (D)dont watching( )15.The children_football.(A)is playing (B)are playing (C)
12、play the (D)play a( )16.They are flying kites.(A)他们喜欢放风筝. (B)他们在放风筝吗?(C)他们在放风筝. (D)他们常放风筝.( )17.Look,They are swimming in the river.I want_you.(A)to go with (B)go with (C)helping (D)help( )18.Look.Lucy is_a new bike today.(A)jumping (B)running (C)riding (D)taking三、用现在进行时完成下列句子:1.What_you_(do)?2.I_(sing) an English song.3.What_he_(mend)?4.He_(mend) a car.5._you_(fly) a kite?Yes,_.6._she_(sit) in the boat?7._you_(ask) questions?8.We_(play) games now.
