英语语法--一般现在时_1.pdf

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1、 英 语 语 法-一 般 现 在 时(总 4 页)-本页仅作为文档封面，使用时请直接删除即可-内页可以根据需求调整合适字体及大小-22 牛津英语 5a 英语语法(三)一般现在时 一.一般现在时行为动词词型变化形式 一般现在时动词只有第三人称有词形变化，其他人称动词均用原形单数第三人称动词变化：多数在动词后加 s playplays likelikes,以 s，x，sh，ch，o 结尾的动词加 es gogoes wash-washes,以辅音字母加 y 结尾，把 y 改 i 再加 es flyflies study-studies 二.一般现在时动词 be 和 have 的变化形式 1.动词

2、Be 叫连系动词,连系动词 be 的用法：除了第一人称单数用 am，和第三人称单数用 is 以外，其它人称用 are。I am busy.You are busy.He(She)is busy.We(You,They)are busy.2.动词 have 的用法：除了第三人称单数用 has 以外，其它人称一律用have。如:I have a pen.You have a pen.She(He)has a pen.We(You,They)have pens.三.一般现在时的句型 1.肯定句构成：主语+动词(注意人称变化)+其它成分 Ihave a dog.We like the little c

3、at.She sings well.2.否定句构成：行为动词的否定句：主语+助动词(do/does)+not+动词原形+其它成分 He dosent have a dog.He isnt young.We dont like the little cat.(借助于助动词 do)She doesnt sing well.(借助于助动词 does)3.一般疑问句：A.行为动词的一般疑问句：助动词(do/does)+主语+动词原形+其它成分 Do you like it Yes,I do./No.I dont.Does he(she)like it Yes,he(she)does./No,he(sh

4、e)doesnt.B.动词 BE 的一般疑问句 Am/Is/Are+主语+其它成分 Are you a teacher Yes,I am./No,I am not.Are they students of your they are/No they aren,t.4.特殊疑问句：特殊疑问词+一般疑问句 How many students are there in your school?What do you usually do on Sunday?33 四一般现在时的用法 1.经常性或习惯性的动作，常与表示频度的时间状语连用。如：every year,sometimes,at 5 oclo

5、ck,on Sunday.I get up at six oclock every day.He gets up at six oclock every day.She smokes too much.I telephone to my parents once a week.2.表达客观真理，科学事实。如果出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。Three and four makes seven.The teacher told us that the earth moves around the sun.Shenyang lies in the north of C

6、hina.3.在格言或名言警句中。Pride goes before a fall.骄必败。Actions speak louder than words.事实用于雄辩。4.表示现在的状态、性格、个性。I dont want more,thanks.He is a good student.He is always ready to help others.五.一般现在时其它用法 一般现在时表将来 1.含有 go,come,return,arrive,leave,start,begin 等动词的一般现在时表将来。表示在时间上已确定或安排好的事情。The school bus leaves at

7、 eight.2.在时间或条件句中。When Tom comes,ask him how to fix the tap.Ill help you as soon as I arrive there.3.在动词 hope,take care that,make sure that 等后。I hope she has a good time.Before you leave the room,please make sure that the door is closed.4.时间状语从句,条件句中,从句中(常含有 till,once,as soon as,when,while,before,af

8、ter,so long as,by the time,if,in case,unless,even if,whether,the moment,the minute)Eg.As soon as I get there,I will deal with this matter.Whether he is happy is an important thing to her.44 5.倒装句，表示动作正在进行 Here comes the teacher!=The teacher is coming.There goes the bell.=The bell is ringing.Here com

9、es the car.=The car is coming.一般现在时表过去 1.书上，报纸上的叙述。The newspaper says that the president will retire next month.2.叙述往事，使其生动。Napoleons army now advances and the great battle begins.一般现在时表完成 1.动词用一般现在时代替完成时：hear,tell,learn,write,understand,forget,know,find,say,remember.hear(=have heard)he will go to P

10、aris.I forget(=have forgotten)how to read the word.2.句型 It is since =It has been since It is(=has been)five years since we last met.一般现在时表进行 1.句型：Here comes；There goes Eg:Look,here comes Mr.Brown.六.注意事项 1.在英国，人们常用 have got 代替 have，特别在疑问句和否定句中。2.当 have 如果不表示“有”时，构成疑问或否定句时，就借助于助动词 do,does,dont 或者 does

11、nt.练习 一.用词的适当形式填空。time_ his father_(do)the work?_(get)up at five oclock.you _(brush)your teeth every morning._(do)he usually _(do)after school?_(study)English,Chinese,Maths,Science and Art at school.6.Kitty sometimes _(go)to the park with his sister.eight at night,she _(watch)TV with her parents.8._

12、 Mike_(read)English every day?55 many lessons_ your classmates_(have)on Monday?often_(play)football in the playground.二选择()1._ you have a book?A.Do B.Are C.Is D.Have()2.They _ on a farm.A.working B.is work C.work D.is worked()3.Does Peter like to watch TV?_.A.Yes,he like B.No,he doesnt C.Yes,hed lik

13、e D.No,he likes()4.She doesnt _ her homework in the afternoon.A.doing B.to do C.does D.do()5.How _ Mr.Brown _ to America A.do,go B.is,go C.does,go D.does,goes()6.Wheres my camera I_ it.A.am not finding B.am not seeing C.cant find D.cant look at()7.How _ he go to work?He _ to work by bike.A.does;go B

14、.do;goes C.do;go D.does;goes()8._ you usually late for school?No,_.A.Do;I am B.Does;not C.Are;Im not D.Are;I arent()9._ she _ home at six every day?A.Is,leave B.Does,leave C.Is,leaves D.Does,left()10.Mr.Yang _ English this term.A.teaches our B.teaches us C.teachs us D.teach our 答案：一.,do 2.gets 3.Do,brush 4.does,do 5.studies 6.goes 7.watches 8.Does,read 9.do,have 10.play 二.1-5 A C B D C 6-10 C D C B B