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五年级英语试题——5a英语语法(三)

时间:2011-05-21 14:50:00   来源:无忧考网     [字体: ]
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 play-plays like-likes ,

  以s,x,sh,ch,o结尾的动词加es go-goes wash--washes,

  以辅音字母加y结尾,把y改i再加es fly-flies study--studies

  二. 一般现在时动词be和 have的变化形式

  1.动词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 cat.  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 dosen‘t have a dog. He isn’t young. We don‘t like the little cat.

  (借助于助动词do) She doesn’t 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 don‘t .  Does he(she) like it? Yes, he( she )does. / No, he ( she )doesn’t.

  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 school.Yes 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?

  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 o‘clock, on Sunday.

  I get up at six o’clock every day.

  He gets up at six o‘clock 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 China.

  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 don’t 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 eight .

  2.在时间或条件句中。

  When Tom comes, ask him how to fix the tap.

  I‘ll 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 , after , 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.

  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 comes 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。

  Napoleon’s 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.

  Eg.I hear (= have heard) he will go to Paris.

  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, don‘t或者doesn’t.

  练习

  一.用词的适当形式填空。

  1.What time_________ his father_________(do) the work?

  2.He _________(get) up at five o‘clock.

  3.__________ you _________(brush) your teeth every morning.

  4.What ________ ( do ) he usually ________( do ) after school?

  5.Tom ________ ( study ) English, Chinese, Maths, Science and Art at school.

  6. Kitty sometimes __________(go) to the park with his sister.

  7.At eight at night, she __________( watch ) TV with her parents.

  8. ________ Mike________( read ) English every day?

  9.How many lessons________ your classmates______( have ) on Monday?

  10.We 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 doesn’t C. Yes, he‘d like D. No, he likes

  ( )4. She doesn’t __________ 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. Where‘s my camera? I____________ it.

  A. am not finding B. am not seeing C. can’t find D. can‘t look at

  ( )7. How ___________ he go to work?

  He ___________ to work by bike.

  A. does ;go B. do;goes C. do ;go D. does;goes

  ( )8. ______ you usually late for school?

  No, _____________.

  A. Do ; I am B. Does ;not C. Are ; I’m not D. Are ; I aren‘t

  ( )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:一.1.does, 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