一般现在时与现在进行时(课堂PPT).ppt

,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,.,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,.,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,.,*,英语时态,English Tense,1,.,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。,2,.,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,.,He often,goes,for a walk after supper.,The boy usually,gets,to school early.,He always,works,hand.,3,.,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,on Mondays,每周一；,in the mornings,每天早上；,on weekends,每周末；,on school days,上学期间,4,.,用法,2,:,客观事实或普遍真理,The earth,moves,around the sun.,The sun,rises,in the east and,sets,in the west.,Three plus seven,is,ten.,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,The cake,tastes,really good.,We,are,busy now.,He,is,an easy-going person.,5,.,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。,My plane,takes off,at 9:00 a.m.,The train,leaves,at three this afternoon.,常用,be,come,go,arrive,leave,start,begin,close,open,return,take off,等,6,.,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,Ill call you the moment I,arrive,in Xian.,If it,rains,tomorrow,well stop running on the playground,Ill give the book to him as soon as I,see,him.,从句,(,if,unless,),和时间状语从句,(,when,as soon as,before,after,等）,中,表示,将来,动作,.,主将从现,7,.,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）,fl,ies,（动词单三形式）,study,（动词原形）,stud,ies,（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）,look,s,（动词单三形式）,get,（动词原形）,get,s,（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）,teach,es,（动词单三形式）,pass,（动词原形）,pass,es,（动词单三形式）,8,.,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_,9,.,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,I We,变成,you is,变成,are,）,动词为实义动词时,肯定句：,主,+V,（原形）,/Ves+,否定句,主,+don,t/doesn,t+V,疑问句,do/does+,主,+V,（原形）,+,?,10,.,将以下句子改成否定句；疑问句,I am a student.,She is a doctor.,He reads books every day.,They play basketball after school.,11,.,用括号内动词的适当形式填空。,1.He often _(have)dinner at home.,2.Daniel and Tommy _(be)in Class One.,3.We _(not watch)TV on Mondays.,4.They _(have)the same hobby.,5.My aunt _(look)after her baby carefully.,6.You always _(do)your homework well.,7.I _(be)ill.I,m staying in bed.,8.She _(go)to school from Monday to Friday.,has,are,dont watch,goes,do,looks,have,am,12,.,现在进行时的构成,be(am is are)+doing,13,.,现在进行时的用法,1.现在进行时表示正在进行的动作。,例：They,are having,an English lesson.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（these days,this week等）例如：We,are working,on a farm these days.这几天来我们在农场工作,14,.,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：Mary,is always coming,late.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）,15,.,时间标志,1.,时间状语：,now,，,right now,目前 此时,at the moment,，,at present;,It is _o,clock;,these days,this week,2,句首引起注意,Look,Listen!,where,?,eg.Where is Lily?,She is helping her mother in the kitchen.,祈使句,Eg Be quiet!The baby is sleeping.,16,.,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,write hope care have,writing hoping caring having,17,.,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）,run,stop,plan,sit,running stopping planning sitting,4,特殊,diedying,，,tietying,，,lielying,travel,（可双写也可不用）,18,.,现在进行时的句型结构,肯定句：1.I am doing.,2.You are doing.,3.He/She/It is doing.4.We/You/They are doing.,否定句;1.I am not d,oing.,2.You are not doing.,3.He/She/It isn,t doing.,4.We/You/They arent doing.,19,.,4.一般疑问句:Are you doing.?,Is he doing.?,Are they doing.?,20,.,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_,21,.,二、用所给的动词的正确形式填空：,1.The,boy,_,(,draw)a,picture,now.,2.,Listen,!Some,girls,_,(,sing)in,the,classroom,.,3.,My,mother,_,(,cook,)some,nice,food,now.,4.,What,_,you,_,(,do,),now?,5.,Look,.,They,_(,have),an,English,lesson,.,is drawing,are singing,is cooking,are,doing,are,having,22,.,7.Look!,The,girls,_(dance,)over there,8.What,is,our,granddaughter,doing?,She,_(listen,),to,music.,9.,It,s,5,o,clock,now.,We,_(have)supper,now,三、句型转换：,1.,They,are,doing,housework,.,一般疑问句：,_,否定句,_,2,The,students,are,cleaning,the,classroom,.,一般疑问句：,_,否定句：,_,3,I,m,playing,the,football,in,the,playground,.,(,对划线部分进行提问,)_,23,.,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,.,He,was,late for school,this morning,.,I,bought,this computer,three years ago,.,I,was,tired,last night,so I,went,to bed early.,此用法常与,yesterday,three days ago,last night/week/month,in the past,just now=a moment ago,连用,24,.,用法,2,:,表示过去经常或反复发生的动作。,可以用“,used,to+,动词原形,”或“,would+,动词原形,”来表示。,He,took,a walk after supper when he was alive.,He,used to do,morning exercises.,When I was a little girl,I,used to play,in the park.,25,.,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）,look,ed,（动词过去式）,play,（动词原形）,play,ed,（动词过去式）,2.,结尾是,e,的动词在末尾加,-d.,如：,like,（动词原形）,like,d,（动词过去式）,hope,（动词原形）,hope,d,（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,showed fixed,如：,plan,（动词原形）,plan,ned,（动词过去式）,stop,（动词原形）,stop,ped,（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）,cr,ied,（动词过去式）,be,was,were,单数,复数,26,.,巩固练习：,When I was a child,I often _(play)football in the street.,Yesterday I _(go)swimming.,I _ a book the day before yesterday.,My mother _(not do)housework yesterday.,There _(be),a telephone call for you just now.,Tom and Mary _(come)to China last month.,Mike _(not go)to bed until 12 oclock last night.,Tom _(begin)to learn Chinese last year.,How many people _(be)there in your class last term?,played,went,read,didnt do,was,came,didnt go,began,were,27,.,