一般现在时与现在进行时

1,英语时态,EnglishTense,2,英语常用八大时态,一般现在时；一般将来时；一般过去时现在进行时；过去进行时过去将来时现在完成时；过去完成时注意：时态是由谓语动词的形式来体现。,3,一、一般现在时态,一般现在时的基本用法,用法1:表示经常发生的习惯性的动作或者存在的状态.,Heoftengoesforawalkaftersupper.Theboyusuallygetstoschoolearly.Healwaysworkshand.,4,此用法常与一些表示动作频率的时间副词连用(副词放在be动词之后,实义动词之前).1.every系类（day,week,month,year）2.频度副词always,usually,sometimes,often,never等.3.循环时间onMondays每周一；inthemornings每天早上；onweekends每周末；onschooldays上学期间,5,用法2:客观事实或普遍真理,Theearthmovesaroundthesun.Thesunrisesintheeastandsetsinthewest.Threeplussevenisten.,用法3:表示现在存在着的状态或主语常带有的特征或性格,Thecaketastesreallygood.Wearebusynow.Heisaneasy-goingperson.,6,用法4:表示已经安排或计划好的，将来必定会发生的，或不易改变的动作或存在的状态，如根据飞机、火车、汽车时刻表而来的班次、车次时间等。,Myplanetakesoffat9:00a.m.Thetrainleavesatthreethisafternoon.,常用be,come,go,arrive,leave,start,begin,close,open,return,takeoff等,7,用法5:在时间或条件状语从句中有时用一般现在时表示将来发生的动作.,主要用在条件状语IllcallyouthemomentIarriveinXian.Ifitrainstomorrow,wellstoprunningontheplaygroundIllgivethebooktohimassoonasIseehim.从句(if,unless)和时间状语从句(when,assoonas,before,after等）中,表示将来动作.,主将从现,8,一般现在时动词的变化规则,动词的第三人称单数的变化方式基本上和名词复数的变化是一样的,be,am,are,is,可数名词单数；不可数名词；第三人称单数,复数；you,I,3、以辅音字母+y结尾的动词，把y改为i，再加es如：fly（动词原形）flies（动词单三形式）study（动词原形）studies（动词单三形式）特殊变化have-has,1、一般情况下，在动词后+s如：look（动词原形）looks（动词单三形式）get（动词原形）gets（动词单三形式）,2、以s.x.ch,sh结尾的动词加es如：teach（动词原形）teaches（动词单三形式）pass（动词原形）passes（动词单三形式）,9,写出下列动词的第三人称单数talk_forget_hope_stop_perform_play_say_buy_worry_fly_study_like_make_take_love_recite_become_come_drive_shine_write_hike_give_see_stop_shop_plan_get_sit_let_cut_run_forget_begin_wash_watch_finish_teach_fish_reach_go_do_have_,10,基本用法,动词为be动词时肯定句：主+be+否定句：主+be+not疑问句:be+主+?（注意人称变化一变二IWe变成youis变成are）,动词为实义动词时肯定句：主+V（原形）/Ves+否定句主+dont/doesnt+V疑问句do/does+主+V（原形）+?,11,将以下句子改成否定句；疑问句,Iamastudent.Sheisadoctor.Hereadsbookseveryday.Theyplaybasketballafterschool.,12,用括号内动词的适当形式填空。1.Heoften_(have)dinnerathome.2.DanielandTommy_(be)inClassOne.3.We_(notwatch)TVonMondays.4.They_(have)thesamehobby.5.Myaunt_(look)afterherbabycarefully.6.Youalways_(do)yourhomeworkwell.7.I_(be)ill.Imstayinginbed.8.She_(go)toschoolfromMondaytoFriday.,has,are,dontwatch,goes,do,looks,have,am,13,现在进行时的构成,be(amisare)+doing,14,现在进行时的用法,1.现在进行时表示正在进行的动作。例：TheyarehavinganEnglishlesson.他们正在上英语课。2.现常与阶段正在进行而说话时不一定在进行的动作，常与表示一段时间的副词连用（thesedays,thisweek等）例如：Weareworkingonafarmthesedays.这几天来我们在农场工作,15,3.和always等频度副词连用，表示说话人的厌烦、气愤、赞许等情绪。例如：Maryisalwayscominglate.玛丽老是迟到。(生气）4.表示将来的动作。（参看一般将来时的用法）,16,时间标志,1.时间状语：now，rightnow目前此时atthemoment，atpresent;Itis_oclock;thesedays,thisweek2句首引起注意Look,Listen!where?eg.WhereisLily?Sheishelpinghermotherinthekitchen.祈使句EgBequiet!Thebabyissleeping.,17,动词后加ing的规则,1.直接加-ing,2以-e结尾e不发音一般应去掉e再加ing,writehopecarehave,writinghopingcaringhaving,18,3.重读闭音节加一辅音结尾的，最后一个字母需重复（最后三个字母辅元辅组合）,runstopplansit,runningstoppingplanningsitting,4特殊,diedying，tietying，lielying,travel（可双写也可不用）,19,现在进行时的句型结构,肯定句：1.Iamdoing.2.Youaredoing.3.He/She/Itisdoing.4.We/You/Theyaredoing.否定句;1.Iamnotdoing.2.Youarenotdoing.3.He/She/Itisntdoing.4.We/You/Theyarentdoing.,20,4.一般疑问句:Areyoudoing.?Ishedoing.?Aretheydoing.?,21,现在进行时专项练习：一、写出下列动词的现在分词：play_run_swim_make_go_like_write_ski_read_have_sing_dance_put_see_buy_love_live_take_come_get_stop_sit_begin_shop_,22,二、用所给的动词的正确形式填空：1.Theboy_(draw)apicturenow.2.Listen!Somegirls_(sing)intheclassroom.3.Mymother_(cook)somenicefoodnow.4.What_you_(do)now?5.Look.They_(have)anEnglishlesson.,isdrawing,aresinging,iscooking,are,doing,arehaving,23,7.Look!Thegirls_(dance)overthere8.Whatisourgranddaughterdoing?She_(listen)tomusic.9.Its5oclocknow.We_(have)suppernow三、句型转换：1.Theyaredoinghousework.一般疑问句：_否定句_2Thestudentsarecleaningtheclassroom.一般疑问句：_否定句：_3Implayingthefootballintheplayground.(对划线部分进行提问)_,24,三、一般过去时态,一般过去时的基本用法,用法1:表示过去时间所发生的动作或存在的状态.,Hewaslateforschoolthismorning.Iboughtthiscomputerthreeyearsago.Iwastiredlastnight,soIwenttobedearly.,此用法常与yesterday,threedaysago,lastnight/week/month,inthepast,justnow=amomentago连用,25,用法2:表示过去经常或反复发生的动作。可以用“usedto+动词原形”或“would+动词原形”来表示。,Hetookawalkaftersupperwhenhewasalive.Heusedtodomorningexercises.WhenIwasalittlegirl,Iusedtoplayinthepark.,26,动词过去式的规则变化：,1.一般在动词原形末尾加-ed.如：look（动词原形）looked（动词过去式）play（动词原形）played（动词过去式）,2.结尾是e的动词在末尾加-d.如：like（动词原形）liked（动词过去式）hope（动词原形）hoped（动词过去式）,3.重读闭音节：在单词后三位中,第一个为辅音（除a,e,i,o,u外的字母）,第二个为元音（a,e,i,o,u）,第三个为辅音,双写最后一个辅音字母,再加ed，除了x，w结尾showedfixed如：plan（动词原形）planned（动词过去式）stop（动词原形）stopped（动词过去式）,4.结尾是“辅音字母y”的动词，先变“y”为“I”再加-ed.如：cry（动词原形）cried（动词过去式）,be,was,were,单数,复数,27,巩固练习：WhenIwasachild,Ioften_(play)footballinthestreet.YesterdayI_(go)swimming.I_abookthedaybeforeyesterday.Mymother_(notdo)houseworkyesterday.There_(be)atelephonecallforyoujustnow.T