,动词的时态,动词的时态,一般现在时,一般现在时,1一般现在时的,构成,一般现在时主要用,动词原形,表示，如果主语是第三人称单数则,动词,也要用第,三,人称,单,数形式。动词第三人称单数的构成方式如下：,1一般现在时的构成,八年级上动词时态复习课件,2,.一般现在时的,用法,(1)表示经常性或习惯性的动作或存在的状态，常与often，always，usually，sometimes，once a week，every day/.等表示频率的副词或时间状语连用。如：,I often go to school by bike.我经常骑车去上学。,(2)表示客观事实或普遍真理。如：,The earth goes around the sun.地球绕着太阳转。,(3)在时间、条件等状语从句中，用一般现在时表示将来。如：,If it rains tomorrow，we wont go to the park.如果明天下雨，我们将不去公园。,When I grow up，I will go to America.当我长大后，我将去美国。,2.一般现在时的用法,即学即练,()1.If Nancy _ the exam，she will go to Australia for English study.,Apass Bpassed Cpasses Dwill pass,()2.The Greens will visit Hainan as soon as they _ to China.,Acomes Bcome Ccame Dwill come,()3.,M,y father _ his bike to work every day.,Aride Brode Crides Dwill ride,C,B,C,即学即练()1.If Nancy _ th,一般过在时,一般过在时,1一般过去时的构成,动词用,过去式,。分为规则变化和不规则变化两种。下表是动词的规则变化：,1一般过去时的构成,2.一般过去时的,用法,(1)表示过去某个时间发生的动作或存在的状态。常与last night/.，yesterday，.ago，in 1995，in the past，the other day，at that time，just now等表示过去的时间状语连用。,e.g.,I got up at six,yesterday,.昨天我6点起床。,(2)表示过去的习惯或过去经常发生的动作。如：,e.g.,When I was in the countryside，I often swam in the river.,我在乡下时，常常在河里游泳。,e.g.She usually helped her firend study last year.,2.一般过去时的用法,即学即练,()1.,We _the mountain and we _many flowers there.,A.climbed;see B.climb;saw C climbed;saw D climbed;seen,()2.You found your lost umbrella，,did,nt you?,Yes.I _ it behind the door,yesterday afternoon,.,A,find,Bwill find Cfound Dfind,ed,()3.Tom _for a math test test last night.He was _hard-working.,A studied;real B.studies;really C.study;real D.studied;really,D,C,D,即学即练()1.We _the mountain,一般将来时,一般将来时,1一般将来时的,构成,w,ill,动词原形,(,第一人称可以用,shall),be going to动词原形,有些动词可以用be doing表将来,go come leave,1一般将来时的构成,2一般将来时的,用法,(1)表示未来将要发生的动作或存在的状态，常与tomorrow/.，next week/.，in,two,days/.，in the future等表示将来的时间状语连用。如：,e.g.,Will you be back in two days?,你将在两天后回来吗？,e.g.,The Smiths will go to China for a holiday next month.,史密斯一家下个月要去中国度假。,八年级上动词时态复习课件,(,2,)be going to动词原形，表示计划、打算做某事，或有某种迹 象表明要发生的事。,e.g.,What are you going to do next Sunday?,下周日你打算干什么？,e.g.Look at the clouds,its going to rain.,看乌云，要下雨了。,(4)某些动词：,go，come，leave，arrive，start，begin,等可用进行时表将来。,如：,She is going there tomorrow.,她明天要去那里。,there be,句型的一般将来时,there will be,或,there is/are going to be,将会有,e.g.There,will be,a class meeting in our class tomorrow.,（,There,is going to be,a class meeting in our class tomorrow.,）,明天我们将会有一个班会。,八年级上动词时态复习课件,即学即练,()1.Lets go fishing if it _ this weekend.,But nobody knows if it _,Ais fine；will rain Bwill be fine；rains,Cwill be fine；will rain Dis fine；rains,(),2.Will there be less pollution in the future?,A,.Yes,there is,B,Yes,there have,C,.Yes,there will,D,.Yes,there will have,A,c,即学即练()1.Lets go fishing if,现在进行时,现在进行时,1现在进行时的,构成,be(am/is/are)动词的现在分词。动词的现在分词和动名词的变化规则如下表：,1现在进行时的构成,2.现在进行时的,用法,(1)表示此时此刻正在进行的动作。如：,What are you doing?你在干什么？,Im reading English.我在读英语。,(2)表示现阶段正在进行的动作或存在的状态。如：,They are studying hard this term.,他们这个学期学习一直很努力。,(3)come，go，leave，arrive，start等动词用现在进行时表示将来。,e.g.,The bus is coming soon.车不久就会来了。,(4)在由while(当时候)引导的状语从句中，动词通常要用进行时。,如：,While you are sitting on the grass，Ill read you the novel.,当你坐在草地上时，我会给你读小说。,2.现在进行时的用法,即学即练,()1.Alan，its late.Why not go to bed?,Betty,isnt,back.I _ for her.,Awaited Bhave waited Cam waiting Dwas waiting,()2.Jackson，I havent seen you these days.,I _ for the coming English test.,Aam preparing Bwill prepare Cprepare Dhave prepared,()3.Listen!The phone _Would you please go to answer it?,Arings Bis ringing Crang Dwill ring,C,A,B,即学即练()1.Alan，its late.Why,课堂小测,单项选择,(),1,.Todays young people cant live without smart phones.They keep their hands on the phones whenever they go,even while they _ meals.,Ahad Bwill have Care having Dwere having,()2.There _ a concert by the top students from Yale University next Tuesday.,Really?,I am looking forward to it.,Awill be Bwill have Care going to be Dis going to have,C,A,课堂小测单项选择CA,()3.,Sue wasnt happy because she _ the concert by her favorite singer.,Amisses Bmissed Cwill miss Dis missing,()4.,Dont disturb(,打扰,)Allen now.He _ for the singing competition.,Aprepares Bprepared Cis preparing Dwill prepare,()5.While I _ a book in the room，my brother came in.,Aam reading Bwill read Cwas reading Dread,(),6,.You cant smoke here.Look at the sign“No Smoking”！,Sorry.I _ it.,Adont see Bwont see Chavent seen Ddidnt see,B,C,C,D,()3.Sue wasnt happy because,(),7,.Which team do you think _ the football match?,Hard to say.There are still twenty minutes before it ends.,Awon Bhas won Cwill win Dwins,D,()7.Which team do you think,