时态讲解-一般现在时.ppt

1、时 态一般现在时一般现在时一般现在时一般现在时：表示表示经经常常习惯性的习惯性的动作或存在的动作或存在的状态状态（有时间规律发生（有时间规律发生的事件）的事件）。一般现在时的构成1、be动词：动词：主语主语+be（am,is,are）+其他其他eg：I am a girl.我是一个女孩我是一个女孩2、实意动词：、实意动词：主语主语+实意动词实意动词+其他其他eg:We study English.我们学习英语我们学习英语.注：当主语为第三人称单数时，注：当主语为第三人称单数时，动词要变成单三形式。动词要变成单三形式。一般现在时的变化be动词的变化否定句：否定句：主语主语 be+not+其他其他

2、eg：He is not a worker.他不是个工人.一般疑问句Be+主语+其他?eg：Are you a student?Yes,I am./No,I am not.你是个学生吗？是的，我是./不，我不是.特殊疑问句特殊疑问词+一般疑问句？eg:Where is my bike?我的自行车在哪？我的自行车在哪？实意动词的变化否定句主语+dont+动词原形eg:I dont like apples.我不喜欢苹果当主语为第三人称单数时，要用doesnt构成否定句eg：He doesnt often play basketball.他不经常打篮球。一般疑问句Do+主语+动词原形+其他?eg：D

3、o you often play football?Yes,I do./No,I dont.你经常踢足球吗？是的，我经常/不，我不经常。当主语为第三人称单数时，要用does构成一般疑问句eg:Does she go to work by bike?Yes,she does./No,she doesnt.她去骑自行车上班吗？她去骑自行车上班吗？是的，她是是的，她是/不，她不是。不，她不是。does 提前动变原动词单三的变化规律一般情况一般情况 加加-s 如：如：swim-swims；help-helps；like-likes 以以o结尾的词结尾的词 加加-es 如：如：go-goes,do-do

4、es 以以s,sh,ch,x结尾的词结尾的词 加加-es 如：如：watch-watches 以辅音字母以辅音字母+y结尾的词结尾的词 变变y 为为i再加再加es 如：如：study-studies 特殊：特殊：have-has练 习1、_Alice often play the piano?No,she _.A.Do;do B.Does;does C.Does;doesnt 2、_ your penfriend _ in Beijing?A.Do;live B.Do;lives C.Does;live 3、Tom and Mike _ very excited,they will take

5、a trip.A.s B.are C.am 4、I like _ very much.What about you?A.dance B.danced C.dancing CCBC5.I cant find my pen.Let me _.A.go and ask her B.go and ask hers C.go and ask she 6.Fangfang is a good student.She _maths.A.does good at B.well do it C.is good at7.The kite _ a bird.A.look like B.is looking C.lo

6、oks like 8.Bill and I _ good friends.A.is B.are C.am ACCB9.Sandy often _ her homework on Sundays.A.do B.does C.did 10.What do you usually do on the weekend?I _.A.went swimming B.go swimming C.visited grandparents 11.What do you usually do on your holiday?_A.Saw elephants B.Sing and dance C.Took pict

7、ures 12.I _ a student.I go to school _bus every day.A.is;by B.am;on C.am;by BBBC13.I _ a brother.She _ a sister.A.have;has B.has;has C.have;have 14.You _ a student.He _ a teacher.A.s;is B.are;is C.are;are 15.He always _ football games.A.watches B.watch C.doesnt 16.My best friend _ shells.A.collects

8、B.collect C.often ABAA17.She doesnt _ listening to the music.A.often B.like C.likes 18.My mother and I _ always watch romantic films.A.doesnt B.dont C.do 19.-When _ he get home on Friday?-He gets home at four on Friday.A.do B.does C.did 20.Summer _ spring.A.comes after B.comes in C.comes before BBBA

9、二、填空1.We often_(play)in the playground.2.He _(get)up at six oclock.3._you _(brush)your teeth every morning?4.What_(do)he usually_(do)after school?5.Danny _(study)English,Chinese,maths,science and Art at school.playgetsDobrushdoesdostudies6.Mike sometimes _(go)to the park with his sister.7.At eight a

10、t night,she _(watch)TV with his parents.8._ Mike_(read)English every day?9.How many lessons_your classmates_(have)on Monday?10.What time_his mother_(do)the housework?goeswatchesDoesreaddohavedoesdo三、句型转换1、He is Johnny.(改为一般疑问句)2、The baseball is under the bed.(改为一般疑问句)3、She has many things to do toda

11、y.(改为一般疑问句)Is he Johnny?Is the baseball under the bed?Does she have many things to do today?4、He has a tennis racket.(改为一般疑问句)5、You are Tina.(改为否定句)6、The books are on the bookcase.(改为否定句)7、She has a computer game.(改为否定句)Does he have a tennis racket?You aren t Tina.These books aren t on the bookcase.She doesn t have a computer game.8、Kate has some money in her pocket.(改为否定句)9、Does he play sports every day?(作肯定回答)10、You have a computer game.(用第三人称he作主语)Kate doesnt have any money in her pocket.Yes,he does.He has a computer game.