现在进行时基本用法及动名词的变法.

动名词的规则变化1 一般情况下，直接在动词后加ing eg: work - working study - studying 2 动词以不发音的e结尾，要去e加ing take - taking make - making 3 重读闭音节的动词，要双写词尾字母，再加ing cut - cutting Putputting beginbeginning 4 以ie结尾的动词，把变成y再加ing lie - lying tie - tying die - dying现在进行时基本用法一、构成方法现在进行时由 am/is/are 加现在分词构成。二、用法说明表示此时此刻或现阶段正在进行的动作。如：Theyre having a meeting. 他们在开会。Im studying at an evening school. 我在上夜校。表示计划或安排好了的将来动作，常与一个表示将来的时间状语连用。如：Mike is coming home on Thursday. 迈克星期四回来。Theyre having a party next week. 下星期他们将开一个晚会。注：表示安排将要做的事，人作主语宜用现在进行时，事物作主语，宜用一般现在时。试比较：Im not going out this evening. 今晚我不准备出去。(不宜说I dont) The concert starts at 7: 30. 音乐会七点半开始。现在进行时与always, often, forever等连用表示赞扬、厌烦等语气。如：Youre always interrupting me! 你老打断我的话!(抱怨) My father is always losing his car keys. 我爸老丢车钥匙。(不满) Shes always helping people. 她老是帮助别人。(赞扬) 现在进行时在时间和条件状语从句中，代替过去将来时。如：He promised to buy me a computer if he got a raise. 注意：像 be, think, understand, love, have, own, see, hear, find, belong to 等静态动词通常不用于进行时。三现在进行时的肯定肯定句、否定句、疑问句形式：主 语肯 定 式否 定 式疑 问 式第一、二人称和第三人称复数以及名词复数I am driving.He/She/It is working.We/You/They are doing something.I am not driving.He/She/It is not working.We/You/They are not doing anything.Are you driving?Is he/she/it working?Are you/they doing something?练习：（一） 、单选1、 Look! He _their mother do the housework.A. is helping B. are help C. is help D.is helpping2 、_are the boys doing ? They are singing in the room.A .Who B .How C.What D.Where3、 Dont talk here. My mother _.A. is sleeping B .are sleeping C. sleeping D .sleep4 、Danny _. Dont call him.A. is writeing B .is writing C.writing D .writes5 、When_he_back? Sorry, I dont know.A. does,come B.are coming C.is come D.is coming（二）、填空1、 Its ten oclock. My mother _(lie)in bed.2、 What_he _(mend)?3、 We _(play)games now.4、 What _you_(do) these days?5、 _he _(clean) the classroom?6、 Who_(sing)in the next room?7 、The girl_(like)wearing a sweater. Look! She _(wear)a red sweater today.（三）、用动词的适当形式填空。1、Tom (swim) in the river now.2、Why (be) they not here yesterday?3、Yesterday afternoon they (play) football with their English teacher.4、Its eight oclock now. The boys (watch) TV.5、She usually (do) her homework in the evening.6、Tom and Tony cant (swim).7、What does your father _ (do)? Hes a worker.8、Look! Jim and Tom (run) there.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,who,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 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( )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)eatting (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. (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 putting 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)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