一般现在时一、定义与讲解：一般现在时表示经常或习惯性的动作或一般性事实;,也可表示现在的状态或主语具备的性格和能力;通常与副词every day每天,always总是,usually通常,often经常sometimes有时,等时间状语连用;例：1表示事物或人物的特征、状态;The sky is blue.天空是蓝色的;Mary’s father is an English teacher. 玛丽的爸爸是一名英语老师;2表示经常性或习惯性的动作;I get up at six every day.我每天六点起床;She plays sports every day. 她每天都做运动;3表示客观现实;The table has four legs.桌子有四条腿;There are 50 students in my class. 我们班有50个学生;4表示客观真理,科学原理,自然现象,等客观事实或格言谚语等;The sun rises in the east every day.太阳每天从东方升起;The earth goes around the sun.地球绕着太阳转;5表示平日的喜好;I like bananas. We don’t like vegetables.He likes ice cream. She doesn’t like strawberries.二．只有主语在第三人称单数时用动词的“三单形式”,其他人称用动词原形;★动词三单形式的变化规则：1.1多数直接在动词词尾加-s.play — plays like — likesask---asks work---works get---gets call---calls2以字母s, x, ch, sh或o结尾的动词,在词尾直接加-es.watch---watches wish---wishes do---does go---goes3以“辅音字母加- y”结尾的动词,要先变y为i再加-es.try---tries study---studies cry---cries fly---flies2.不规则变化：be---- is have----has三、一般现在时的句子转换：1变一般疑问句：当句子中有be动词或情态动词时,则把be动词或情态动词can,could等提到主语的前面,口诀：一调二变三问号;2变否定句：在be动词或情态动词后面直接加not变成否定句. be后not莫忘记例：①陈述句：She is my sister..疑问句→ Is she your sister Yes, I am./ No, I’m not.否定句→ She is not my si ster.②陈述句：I can play soccer.疑问句→ Can you play soccer Yes,Ican./ No, I can’t.否定句→ I can not /can’t play soccer.★注意：对一般疑问句的回答：一般用什么问就用什么来回答;但以下例外：Is this a pencil Yes , it is./ No, it isn’t.Is that your backpack Yes , it is./ No, it isn’t.Are these your parents Yes, they’re./ No, they aren’t.Are those Jim’s brothers Yes,they’re./ No, they aren’t.3当句子中没有be动词,也没有情态动词时,变一般疑问句时,在主语前加助动词do I, we, you,以及复数, does第三人称单数she,he,it等变成问句；4变否定句时,在主语后谓语动词前加助动词don’t, doesn’t变成否定句,切记：助动词后的动词则还原成动词原形;例：①陈述句：We get up起床at 7:00 every morning.疑问句→Do you get up at 7:00 every morning否定句→We don’t get up at 7:00 every morning.②陈述句：She has a brother.疑问句→ Does she have a brother否定句→ She doesn’t have a brother.※在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式,即常在动词原形后加-s或-es;但有些同学们对于哪些主语是第三人称单数还不十分清楚,现归纳总结如下：一、人称代词he, she, it是第三人称单数;如：He likes watching TV. 他喜欢看电视;She has lunch at twelve. 她十二点吃午餐;二、单个人名、地名或称呼作主语；是第三人称单数;如：①Han Mei likes salsd . 韩梅喜欢萨拉;②Beijing is in China. 北京在中国;③Uncle Wang often plays volleyball.. 王叔叔经常打排球;三、单数可数名词或"this / that / the+单数可数名词"作主语时,是第三人称单数;如：②This book is yours. 这本书是你的;③That car is red. ④The cat is Lucy's. 这只猫是露茜的;四、不定代词someone, somebody, nobody, everything, something等及指示代词this, that作主语时,是第三人称单数;①Everyone is here. 大家到齐了;②There is a watch on the table. 桌上有块手表;③This is a pen. 这是一支钢笔;④That is an eraser.五、不可数名词作主语时为第三人称单数;如：①The milk牛奶is in the glass. 牛奶在玻璃杯里;②The bread is very small. 那面包很小;六、当数字或字母作主语时,看作第三人称单数;如：①"6" is a lucky number. "6"是个吉利数字;②"I" is a letter. "I"是个字母;一、按照要求改写句子1．This is my pencil 变一般疑问句your pencil 2. These red socks are Kate’s . 变一般疑问句socks Kate’s3. Mary does not have any books . 变肯定句some books .4. She likes theblack bag very much . 变为否定句5. I like apples. 用she改写句子6. It’s an English dictionary . 对画线部分提问. 7. He has hamburger and apples for dinner . 变一般疑问句二、用Be动词填空;1. you Li Fen No, not .2. Mr. green very busy Yes , he .3..This book very interesting .4. What class you in5. You and I good friends .6. The basketball club fun .三．用所给动词的适当形式填空;1. Lin Tao like his ruler .2. Let’s have ice cream .3. Let’s play tennis4. He like English.5. Nice meet you6. I need some fruits.一般现在时用法专练:一、写出下列动词的第三人称单数形式;have like drink _____ go _____ stay ____ study___ _ teach_____make ______look ______have____ come_____ watch______ plant_____ fly _____ do_____ 二、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 Monday.4. Nick ____ ___not go to the zoo on Sunday.5. ______ they ________like pears6. _______ your parents _______have eggs every day7. There ________be some water in the bottle.18. Mike _______like cooking.9. They _______have the same hobby.10. Liu Tao ______ _do not like PE.11. This boy often _______watch TV in the evening.五、改错划出错误的地方,将正确的写在横线上1. Is your brother speak English __________________2. Does he likes going fishing ________________3. He likes play games after class. _______________ __4. Mr. Wu teachs us English. _______________5. She don’t do her homework on Sundays. _____________一般现在时态句型转换1.This is a white key. 对画线部分进行提问2.B en’s bag is yellow and red . 对画线部分进行提问3.Her name is Gina. 对画线部分进行提问4.My phone number is 673-8220. 对画线部分进行提问5.The boy’s name is Jack. 对画线部分进行提问6.The picture is on the wall. 对画线部分进行提问7.Your baseball is under the chair. 对画线部分进行提问8.His book is on the desk. 对画线部分进行提问9.Some balls are in the dresser. 对画线部分进行提问10.My computer is on my desk. 对画线部分进行提问11.He is Johnny. 改为一般疑问句12.These are his parents. 改为一般疑问句13.This is my sister. 改为一般疑问句baseball is under the bed. 改为一般疑问句key is on the bed. 改为一般疑问句has a tennis racket. 改为一般疑问句have some baseball bats. 改为一般疑问句has many things to do today. 改为一般疑问句like hamburgers . 改为一般疑问句have a TV. 改为一般疑问句are Tina. 改为否定句are my brothers. 改为否定句books are on the bookcase. 改为否定句books are under the desk. 改为否定句has a computer game. 改为否定句have a big TV in our house. 改为否定句has some money in her pocket. 改为否定句likes ice cream. 改为否定句to meet you 写出答语35.Is that a dictionary 改为复数句____________________________________________36These are photos. 改为单数句he your cousin 作肯定回答Linda his sister 作否定回答this a Chinese book 作否定回答are dictionaries. 改为单数句the CD on the sofa 作肯定回答the chairs next to the table 作否定回答is my book 改为复数句子are on the sofa . 改为单数句子现在进行时现在进行时是由“助动词beam, is, are＋动词-ing”构成,表示说话者“此刻”或现阶段的行为;二、现在进行时的基本结构1．肯定句：主语+beam, is, are+现在分词+…… 例如：I am speaking with him on the phone. 我正和他通电话;He is playing tennis. 他正在打网球; My parents are dancing. 我父母正在跳舞;2．否定句：主语+be not+现在分词+…… 例如：I'm not studying. 我没在学习; She is not reading now. 现在她不是在看书;They are not writing. 他们没在写;3．一般疑问句：Be动词+主语+现在分词+…… 例如：1— Is she still helping Li Ling她还在帮助李玲吗— Yes, she is. 是的;/No, she isn't. 不,她没在帮李玲;2— Are you listening to music 你正在听音乐吗— Yes, I am. 是的;/No, I'm not. 不,我没有听音乐;4．特殊疑问句：特殊疑问词+be动词+主语+现在分词+…… 例如：— What are you studying 你正在学什么— I'm studying English. 我在学英语;— What is Mike doing 迈克在做什么----He is watching the football match. 他在看足球比赛;三、现在分词的变化规则1.一般在动词末尾加ing,如：think-thinking go-going2.以不发音字母e结尾的动词,先去掉e,再加ing,如：come-coming make-making3.以重读闭音节结尾的动词,中间只有一个元音字母,词尾只有一个辅音字母,应双写末尾的辅音字母,再加ing, 如：put-putting run-running四、现在进行时的基本用法1．表示此时此刻说话者正在进行的动作;例如：The teacher is talking with his students. 这位老师正在同他的学生交谈;What are you doing now 你现在干什么呢2．表示现阶段正在进行的动作,但此刻并不一定在进行; 例如：We are doing an experiment this week. 我们这个星期正在做一个实验;但说话时并不一定在做实验;3．现在进行时有时可用来表示将来发生的动作,这一用法常用于go, come, leave, start 等短暂性动词,后面也常用表示较近的将来时间状语如tomorrow, tonight, this morning/Friday 等,表示安排或计划好的事情;例如：We are leaving for Shanghai tomorrow. 我们明天启程去上海;4．现在进行时表示说话时正发生的或者正进行的动作;常与时间状语now , at the moment 等连用;It is raining hard now . Don't hurry .I am writing a letter . Will you please turn down the radioWatch out 当心It's falling .Look The clouds are gathering .Look at this picture of a busy railway station . A train is standing at one of the platforms ready to leave . Some of thepassengers are looking out of the windows watching the late-comers who are hurrying along looking for empty seats .We are busy at the moment . I'm selling cigarettes . My father is selling some sweets .5.表示按计划、安排将要发生的动作;We are going to Rome next week . Mr Black is leaving for Shanghai in a few days .Are you doing anything special tonight6．用在时间和条件状语从句中表达将来正进行的动作;I'll telephone you tomorrow while I'm waiting .I'll think about it while you are writing the report .When you are talking with him , take care not to mention this .If you are standing at the corner when I pass , I'll give you a lift into town .五、现在进行时的练习题按要求改写句子The boy is playing basketball.否定句：____________________________一般疑问句：_________________________ 肯定回答：__________________________ 否定回答：__________________________ 对“is playing basketball”提问：__________________________对“ The boy”提问：__________________________They are singing in the classroom.否定句：____________________________ 一般疑问句：_________________________ 肯定回答：__________________________ 否定回答：__________________________ 对“are singing ”提问：__________________________对“ in the classroom”提问：__________________________,the window ,open, now.用现在进行时连词成句._____________________birds are singing in the tree.就划线部分提问________________________,who,the window, cleaning连词成句______________________7. The children are playing games near the house.就划线部分提问_______________is closing the door now.改成否定句______________________are doing your homework.用“I”作主语改写句子______________________,the tree, sing, now, under.用现在进行时连词成句._____________________Young Pioneers are helping the old woman.改成一般疑问句______________________II.单项选择1.我在照看孩子.AI am looking after the baby. BI'm look aftering the baby.CI look am aftering the baby. DI looking after the baby.'s making ______a kite.AI, me BMy, my CMy, me DHis, his the woman ______ yellow your teacherAin Bputting on Cwearing DhavingThe twins _____their mother do the housework.Aare wanting Bhelp Care helping Dare looking the birds doing They are singing in a tree.AWho BWhat CHow DWhere she ____somethingAeat Beating Ceatting Deats7.你在干什么AWhat is you doing BWhat are you doCWhat are you doing DWhat do you doare you listening_____A/Bfor Cat Dto9.我正在听他说话.AI listening to him.BI'm listening to him.CI'm listen to him.DI'm listening him.are ____their clothes.Amakeing Bputting Cput away Dputting on III.用现在进行时完成下列句子:do sing an English song.mend mend a car.fly a kite Yes ,_______.sit in the boatask questionsplay games now.man______________work near the house now.。
