1、1现在进行时许春梅现在进行时 1 含义 现在进行时表示说话此时或现阶段正进行的行为. 2 结构 由助动词 de 的一般现在时形式 am(is, are)+ 现在分词构成. 3 用法 (1) 表示现刻的行为:表示说话此刻正进行的行为,句中可有 now, at the moment 等时间状语,也可无表示现刻时间的状语.如:It is cold now, so she is not wearing a skirt. (2) 表示现阶段的行为:表示现阶段正在进行(但说话此刻不一定在进行 )的行为,句中可有now, these days(years,)this week(year,)等时间状语,也可无
2、此类状语. 如:How are you doing at school this term? (3) 表示经常反复的行为:表示在现阶段经常反复发生的行为, 常带有某种感情色彩( 或褒或贬),句中常有 always, constantly, continually, forever 等时间状语 . 如:You are constantly changing your minds. (4) 表示将来的行为: 表示按计划,安排在最近的将来要发生的行为 , 此时动词多为表示行止往返(如:go, come, leave, arrive 等), 以及其他许多动词( 如:do, finish, retire
3、, spend, send 等);句中多有表示将来时间的时间状语. 如:The plane is taking off at 10:30 a.m. 4 不能用于进行时态的动词 有的动词不是表示动作,而是表示状态,不能用于进行时态(但有的用于别的语义时可以), 如:表示心理状态者:believe, know, think, understand, want, wish 等;表示感情状态者:hate, like, love, mind, prefer 等;表示事物关系者:have, cost, exist, include, matter, own, seem, belong to , depen
4、d for 等;表示不自觉的五官感觉者:hear, see, smell, taste,等等. 5 现在分词的构成 (1) 一般动词直接加-ing (如以不发音的 e 结尾,先去掉 e 再加-ing). 如:exist-existing come-coming (2) 以单元音字母构成的重读闭音节结尾,且末尾只有一个辅音字母(x 除外) 的动词先双写末尾辅音字母,再加-ing. 如:win-winning begin-beginning 但:mix-mixing kick-kicking explain-explaining (3) 特殊情况: 1)quarrel-quarrel(l)ing
5、travel-travel(l)ing program-program(m)ing picnic-picnicking 2)die-dying lie-lying tie-tying 2习题：一写出下列动词的现在分词形式1. work_ 2. dance_ 3. run_ 4. lie_sing_ have_ sit_play_ write_ shop_study_ take_ swim_二将下列句子变成现在进行时：（1）I work in a factory.(2)He studies in a school.(3)They watch TV every day.(4)We read Eng
6、lish every morning.三. 翻译下列句子：（1）我正在写信。 _ （2）他正在洗衣服。_（3）Tom 正在踢足球。 _ （4）Sarah 正在打扫房间。_( 5) 听！谁在那里唱歌。_四选择题练习1. Who _ over there now?A. singing B. are sing C. is singing D. sing2. Its eight oclock. The students _ an English class.A. have B. having C. is having D. are having3. Listen! The baby _ in the
7、next room.A. crying B. cried C. is crying D. cries4. Look! The twins _ new sweaters.A. are wearing B. wearing C. are wear D. is wearing5. Dont talk here. Grandparents _. A. is sleeping B. are sleeping C. sleeping D. sleep 6. I see him go out. He _ his homework at home at the moment.A.can do B.can be
8、 doing C.cant be doing D.cant doing 7.I think I _ what he wants now. A.am understanding B.understand C. understanding D. understand 8.I _ my easer, but I cant _ it. A.look for , finding B.am finding, look for C.am looking for, find D.find, look for 9._ you like to go home? - Yes, Im _ the bus. A.Do,
9、 waiting B.Would , waiting for C. Would , wait for D. Are , waiting for 10.He says he _ his motherland all the time. A. loves B. is loving C.loving D. love 五.填空：31. The teacher is busy. He _ (sleep) six hours a day.2. Listen! Joan _(sing) in the classroom. She often _ (sing) there.3. The girl _(like
10、) wearing a skirt. Look! She _(wear) a red skirt today.4 Emily _ (pick) up a pen on the road. 5._ you _ (sit) in the reading room at present. 6.Lisas brother is _ (live) in England, but he is not _(stay) there long . 7.Mike, go and see who _ (play) volleyball on the playground.8.Where is your father
11、 ? He _ (water) flowers.9.Jims sister _ (wear) a new shirt today. 10.Can she _ (throw) a frisby? Yes, she can . She _ (throw) a frisby now. 六根据中文意思完成句子1、学生们在干什么？有一些在打电话，另一些躺在沙滩上。_ _ the students _? Some _ _ on the phone, _ _ _ on the beach.2、 “格林先生在看电视吗？” “不， 他在打扫房间。 ”“_ Mr Green _ TV?” “_, He _ _ t
12、he house.”3、魏芳不是在读书，她在写信。Wei Fang _ _ a book. She _ _ a letter.4、我正在通过收音机学 (learn) 英语。I _ _ English on the radio七 句型转换1They are playing basketball now. (变一般疑问句)_ _ playing basketball now? 2.The baby is sleeping. （变否定句）The baby _ _ sleeping. 3.They are watching TV. （划线提问）_ _ they _ ? 4.Dont worry. He
13、 will come to see you this afternoon. （变同义句）Dont worry. He _ _ to see you this afternoon. 5.The workers are at work now. （变同义句）The workers _ _ now. 一略二（1）Im working in a factory.(2) He is studying in a school. (3) They are watching TV every day. (4) We are reading English every morning.三(1) Im writi
14、ng a letter. (2)Hes washing clothes. (3)Toms playing football. (4)Sarah is cleaning the room. (5)Listen! Who is singing there. 四 1-5 CDCAB 6-10 CBCBA五 1.sleeps 2 is singing, sings 3 likes , is wearing 4 is picking 5 are sitting 6living, staying 7 is playing 8 is watering 9 is wearing 10 throw, is throwing 六 1. What are, doing , students are, and some are 2 Is, watching, No, is cleaning 3isnt reading, is writing 4 am learning 4七 1.Are they, 2 isnt sleeping 3 What are, doing 4 is coming 5 are working
