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1、 过去进行时态过去进行时态 现在进行时态现在进行时态一：现在进行时态初中英语现在进行时课件初中英语现在进行时课件一、概念现在进行时表示说话时正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结构：助动词 be(am/is/are)+现在分词.二、现在分词的构成：1.大多数动词后可在动词后直接加-ing Eg:carry-carrying,catch-catching,drink-drinking,enjoy-enjoyinghurry-hurrying,do-doing,read-reading,think-thinking 2.如果动词以-e 结尾,则去掉-e,再加-i
2、ng,如 come-coming,have-having,make-making,ride-riding,write-writing,take-taking,use-using 3.如果动词只有一个元音字母,而其后跟有一个辅音字母时,将此辅音字母双写,再加-ing如：hit-hitting,let-letting,put-putting,run-running,sit-sitting 4.如果动词有两个音节,且重音在第二个音节上,则末尾的辅音字母须双写,再加-ing,如:forget-forgetting,prefer-preferring,upset-upsetting试比较 benefit
3、/benfiting,differ/differing,profit/profiting,这些词的重音在第一个音节上,因此其末尾的辅音字母不双写 5.以-ic 结尾的动词,应先把-ic 变为-ick,再加-ing,eg:panic/panicking,picnic/picnicking,但 lie/lying,die/dying,tie/tying是特殊变化要记住三、句型结构：第 1页 共 6页 1.现在进行时的肯定形式、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 1)现在进行时的肯定形式：主语+be(am/is/are)+doing+其他成分 I am
4、singing.They are writing.2)现在进行时的否定形式:主语+be(am/is/are)+not+doing+其他成分I am not singing.They arent writing.3）一般疑问句及回答：be(am/is/are)+主语+doing+其他成分 Am I singing Yes,you are./No,you arent.Are they writing Yes,they are./No,they arent.4)特殊疑问句及回答:特殊疑问词+be(am/is/are)+主语+doing+其他成分 What are you doing We are p
5、laying(要求就提问内容具体回答).2.缩写形式如下:I am-Im You are-Youre He is-Hes She is-Shes It is-Its We are-Were They are-Theyre 3.说明: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四用法：1.表示现在(指说话人说话时)正在发生的事情往往与 now,at themoment,just 等副词连用,以示强调 We are waiting for you.What are you doing Some ones knockingat the door
6、 2.正在进行着的动作可视为未完成的动作：Hes talking to his friends in the classroom.可用 still 一词强调动作的持续性Hes still talking to his friends in the classroom.3.表示长期的或重复性的动作,说话时动作未必正在进行 Mr.Black is writing another article.Dont take that book away.Your fathers using it.第 2页 共 6页 She is learning piano under Mr.Black.4.现在进行时可用
7、来表示不会长期发生的动作或情况,或被认为在短期内正在进行的动作或存在的情况：Whats your brother doing these days Hes studying English at O某 ford University.5.现在进行时也可以用来表示当前的动向：People are becoming more and more beautiful these days.6.表示渐变的动词有：become,turn,get,grow,run,go,begin 等 The leaves are turning brown.Its getting colder and colder.7.
8、与 always,constantly,forever 等词连用,表示反复发生的动作或持续存在的状态,往往带有说话人的主观色彩 You are always changing your mind.8.现在进行时(以及 be going to）可以表示为将来安排好的活动和事件Were spending ne 某 t winter in China.用 arrive,come,go,leave 等动词的现在进行时描写行 程安排,也通常有“将到达”和“将离去”的意思：Hes arriving tomorrow morning.9.当现在进行时表示某事发生的次数过多时,则有时含有抱怨,讨厌,赞扬等的意
9、思：He is always singing at night,and we cant fall asleep late atnight.练习一.用现在进行时完成下列句子:1._you_(fly)a kite Yes,_.2._you_(sit)in the boat 3._he_(talk)with me 4.We_(play)football now.5.What_you_(do)第 3页 共 6页 6.I_(sing)an English song.7.What_he_(mend)8.He_(mend)a car.9.These boys _(play)tennis on the pla
10、yground.10.My mother_(cook)in the kitchen.11.We cant help you,because we _(have)classes.12._ the boy _(write)his homework 13.Look!These butterflies _(fly)in the sky.14.Listen!The girl _(sing)in the ne 某 t room.15.The naughty boy _(swim)in the river.二.选择 1.Look.Lucy is_ a new bike today.A.jumping B.r
11、unning C.riding D takeing 2.The children _ football.A.is playing B.are playing C.play the D.play a 3.They _TV in the evening.They do their homework.A.are watching B.cant watching C.dont watch D.dontwatching 4.Listen!She_ in the classroom.A.is singing B.sing C.to sing D.is sing5._are you eating Im ea
12、ting _ meat.A.What,some B.Which,any C.Where,not D.What,a 6.Is she _ something A.eat B.eating C.eatting D.eats 7.My dictionary _,I have looked for it everywhere but still_it.A.has lost,dont find B.is missing,dont find C.haslost,havent found D.is missing,havent found.第 4页 共 6页 8.Having a computer for
13、personal use is no easy task becausetechnology _ so rapidly.A.is changing B.has changed C.will have changed D.will change9.The building_,I cant stand the noise.A.was being built B.is built C.is being built D.builds10.I cant catch up with the fashion,because the clothesstyle_ all the time.A.has chang
14、ed B.is changed C.is changing D.changed11.Its si 某 in the afternoon.The Greens_ lunchtogether.A.has B.are having C.have had D.had had12.Dont make any noise while the students_ to the class.A.are listening B.listened C.have listened D.had listened13.Jack and Ketty_ in the lake.Lets join them,shall we
15、 A.swim B.have swum C.swam D.are swimming 14.Look!The children_ basketball on the playground.A.plays B.played C.is playing D.are playing 15.The kite_ high in the sky now.It looks like a bigbird.A.has flown B.is flying C.was flying D.flew 16.As we all know,the population in the world _ faster andfast
16、er.A.is grown B.is growing C.are grown D.are growing 17.To my surprise,he_ in class.A.is always speaking B.would always speak C.has always beenspeaking D.does speak always 18.I want to know when he _ for New York tomorrow.A.has left B.is leaving C.had left D.has been leaving第 5页 共 6页 19.He_ of how h
17、e can do more for the people.A.had always thought B.is always thinking C.has always beenthought D.thinking always 20.Forests _ and burned at such a speed that they willdisappear from the earth in the future.A.cut B.are cut C.are being cut D.had been cut 1.Are,flying,I am 2.Are sitting,3.Is,talking 4.are plying 5.are,doing 6.am singing 7.is,mending 8.is mending 9.are plying 10.iscooking 11.are having 12.Is,writing 13.are flying 14.is singing,15.is swimming 1.C 2.B 3.C 4.A 5.A 6.B 7.D 8.A 9C 10.C 11.B 12.A 13.D 14.D 15.B16.B 17.A 18.B 19.B 20.C 初中英语现在进行时课件第 6页 共 6页