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1、关于一般现在时与现在进行时PPT现在学习的是第1页,共27页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。现在学习的是第2页,共27页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. He often goes for a walk after supper. The boy usually gets to school early. He always works hand.现在学习的是第3页,共27页4此用法常与一些表示动作频率的时间副词连
2、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 上学期间现在学习的是第4页,共27页5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 pl
3、us 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.现在学习的是第5页,共27页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。My plane takes off at 9:00 a.m.The train leaves at three this afternoon.常用常用be, come, go, arrive, leave, s
4、tart, begin, close, open, return, take off 等等现在学习的是第6页,共27页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
5、等)中, 表示将来动作.主将从现主将从现现在学习的是第7页,共27页8一般现在时动词的变化规则动词的动词的第三人称单数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的变化方式基本上和名词复数的变化是一样的beamareis可数名词单数;不可数名词;第三人称单数复数;youI3、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) 特殊变化特殊变化 have-has1、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
6、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)现在学习的是第8页,共27页9写出下列动词的第三人称单数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
7、_wash_watch_ finish_teach_fish_reach_go_do_have_现在学习的是第9页,共27页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(注意人称变化 一变二一变二 I We 变成变成you is 变成变成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)+?现在学习的是第10页,共27页11将以下句子改成否定句;疑问句 I am a student. She is a doctor. He
8、 reads books every day. They play basketball after school.现在学习的是第11页,共27页12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) you
9、r homework well. 7. I _(be) ill. Im staying in bed. 8. She _(go) to school from Monday to Friday.hasaredont watchgoesdolookshaveam现在学习的是第12页,共27页13现在进行时的构成be (am is are)+doing现在学习的是第13页,共27页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: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
10、(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现在学习的是第14页,共27页153.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)现在学习的是第15页,共27页16时间标志 1.时间状语: now ,right now 目前 此时at the moment , at present;It is _oclock;these days,this week
11、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.现在学习的是第16页,共27页17动词后加ing的规则1.直接加直接加-ing 2以以-e结尾结尾 e不发音一般应不发音一般应去掉去掉e再加再加ing write hope care have writing hoping caring having 现在学习的是第17页,共27页183.重读闭音节加一辅音结尾的,重读闭音节加一辅音结尾的
12、,最后一个字母需重复最后一个字母需重复(最后三个字母(最后三个字母 辅元辅组合)辅元辅组合) run stop plan sitrunning stopping planning sitting4 特殊特殊diedying,tietying,lielyingtravel(可双写也可不用)现在学习的是第18页,共27页19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 doing. 2.You are not doing. 3.He
13、/She/It isnt doing. 4.We/You/They arent doing.现在学习的是第19页,共27页204.一般疑问句:Are you doing.? Is he doing.? Are they doing.?现在学习的是第20页,共27页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_ 现在学习的是第21页,
14、共27页22 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 drawingare singingis cookingaredoingare having现在学习的是第22页,共27页237.Look! The
15、 girls _(dance ) over there8.What is our granddaughter doing? She _(listen ) to music. 9. Its 5 oclock now. We _(have)supper now 三、句型转换: 1. They are doing housework . 一般疑问句:_ 否定句_ 2The students are cleaning the classroom . 一般疑问句:_ 否定句: _ 3Im playing the football in the playground . (对划线部分进行提问)_ 现在学习
16、的是第23页,共27页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. 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连用现在学习的是第24页,共27页25用法2: 表示过去经常或反
17、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.现在学习的是第25页,共27页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
18、形)liked (动词过去式) hope(动词原形)hoped (动词过去式)3.重读闭音节:在单词后三位中重读闭音节:在单词后三位中,第一个为辅音(除第一个为辅音(除a,e,i,o,u外的字母)外的字母),第二第二个为元音(个为元音(a,e,i,o,u),第三个为辅音第三个为辅音,双写最后一个辅音字母双写最后一个辅音字母,再加再加ed,除了,除了x,w结尾结尾 showed fixed 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)bewaswere单数复数现在学习的是第26页,共27页2022-8-21感谢大家观看现在学习的是第27页,共27页