小学英语四种时态知识点加练习题(共21页).doc
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1、精选优质文档-倾情为你奉上小学英语四种时态知识点加练习一、一般现在时一. 意义:表示经常发生的事情,动作或存在的状态二. 构成及变化1.be动词的变化。肯定句:主语+be(am,is,are)+其它。如:I am a boy.我是一个男孩。否定句:主语+ be + not +其它。如:He is not a worker.他不是工人。一般疑问句:Be +主语+其它。如:-Are you a student? -Yes. I am. / No, Im not.特殊疑问句:疑问词+一般疑问句。如:Where is my bike?2. 行为动词的变化。l、当主语为第一,二人称及复数时,助动词为do
2、肯定句:主语+动词原形(+其它)。如:We often play basketball after school.否定句:主语+ dont+动词原形(+其它)。如:we dont play basketball after school.一般疑问句:Do +主语+动词原形+其它?如: Do you often play basketball after school? Yes, we do. / No, we dont.特殊疑问句:疑问词+以do开头的一般疑问句?如: What do you often do after school ?、当主语为第三人称单数时 ,助动词为does肯定句:主语
3、+动词三单式(+其它)。如: He swims well.否定句:主语+ doesnt+动词原形(+其它)。如:He doesnt swim well.一般疑问句:Does +主语+动词原形+其它。如:Does he swim well ?Yes, he does. / No, he doesnt.特殊疑问句:疑问词+以does开头的一般疑问句?如: How does your father go to work?三第三人称单数的动词变化规则(只有在第三人称为主语的肯定句中,动词才用三单式)(1)多数动词直接加s: runsgetslikescolletstakesplaysclimbs.(2
4、)结尾是s, x, sh, ch, o,前为辅音字母, 结尾加es :watchesteachesgoesdoeswashescrossesmixesbrushes(3)动词末尾y前为辅音:将y改为i加es: studystudies flyflies carrycarries crycries但在y前如果为元音则直接加s:buyssays四时间标志:always , usually , often , sometimes ,every一般现在时练习题I.用下列单词的适当形式填空1.We often_(play) in the playground.2.He _(get) up at six
5、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.6.Mike sometimes _(go) to the park with his sister.7.At eight at night, she _(watch) TV with his parents.8._ Mike_(read) English every day?9.Ho
6、w many lessons_your classmates_(have) on Monday?10.What time_his mother_(do) the housework?II.改句子1.Do you often play football after school? (改为肯定句)2.I have many books.(改为否定句)3.Gao Shans sister likes playing table tennis (改为否定句)4.She lives in a small town near New York.(改为一般疑问句)5.I watch TV every day
7、.(改为一般疑问句)6.We have four lessons.(改为否定句)7.Nancy doesnt run fast (改为肯定句)二、现在进行时一、概念现在进行时表示说话时正在进行或发生的动作,也可表示当前一段时间内的活动或现阶段正在进行的动作。结构:助动词 be ( am / is / are ) +现在分词.二、 现在分词的构成:1.大多数动词后可在动词后直接加-ingEg: carry-carrying,catch-catching,drink-drinking, enjoy-enjoying hurry-hurrying ,do-doing , read-reading ,
8、 think-thinking2. 如果动词以-e结尾,则去掉-e,再加-ing,如come-coming , have-having , make-making,ride-riding,write-writing,take-taking,use-using3. 如果动词只有一个元音字母,而其后跟有一个辅音字母时,将此辅音字母双写,再加-ing 如: hit-hitting,let-letting, put-putting,run-running,sit-sitting4. 如果动词有两个音节,且重音在第二个音节上,则末尾的辅音字母须双写,再加-ing, 如: forget-forgettin
9、g,prefer-preferring,upset-upsetting试比较 benefit/benfiting, differ/differing,profit/profiting,这些词的重音在第一个音节上,因此其末尾的辅音字母不双写5. 以 -ic 结尾的动词,应先把 -ic 变为 -ick,再加 -ing,eg: panic/panicking,picnic/picnicking,但 lie/lying ,die/dying,tie/tying是特殊变化要记住三、句型结构:1.现在进行时的肯定形式、否定形式、疑问形式及其回答,所有变化都体现在助动词 be ( is / am / are
10、 ) 上1)现在进行时的肯定形式:主语+be(am/ is/are)+doing+其他成分I am singing . They are writing .2)现在进行时的否定形式:主语+be(am/ is/are)+not +doing+其他成分I am not singing . They arent writing .3)一般疑问句及回答:be(am/ is/are)+ 主语+doing+其他成分Am I singing ? Yes ,you are . / No ,you arent .Are they writing ? Yes ,they are . / No ,they aren
11、t .4)特殊疑问句及回答:特殊疑问词+be(am/ is/are)+主语+doing+其他成分What are you doing ? We are playing (要求就提问内容具体回答).2. 缩写形式如下:I am-Im You are-Youre He is-Hes She is-ShesIt is-Its We are-Were They are-Theyre3.说明: 不是所有动词都能用现在进行时态的,如:see、like、want、know 等动词往往都不用进行时态四用法:1.表示现在( 指说话人说话时) 正在发生的事情往往与 now,at the moment,just 等
12、副词连用,以示强调We are waiting for you. What are you doing? Some ones knocking at the door2.正在进行着的动作可视为未完成的动作:Hes talking to his friends in the classroom.可用 still 一词强调动作的持续性Hes still talking to his friends in the classroom.3. 表示长期的或重复性的动作,说话时动作未必正在进行Mr. Black is writing another article.Dont take that book
13、away. Your fathers using it.She is learning piano under Mr. Black.4.现在进行时可用来表示不会长期发生的动作或情况,或被认为在短期内正在进行的动作或存在的情况:Whats your brother doing these days? Hes studying English at Oxford University.5.现在进行时也可以用来表示当前的动向:People are becoming more and more beautiful these days.6. 表示渐变的动词有:become,turn,get,grow,
14、run,go,begin等The leaves are turning brown.Its getting colder and colder.7.与always,constantly,forever 等词连用,表示反复发生的动作或持续存在的状态,往往带有说话人的主观色彩You are always changing your mind.8. 现在进行时(以及 be going to)可以表示为将来安排好的活动和事件 Were spending next winter in China. 用arrive,come,go,leave 等动词的现在进行时描写行 程安排,也通常有“将到达”和“将离去
15、”的意思: Hes arriving tomorrow morning.9.当现在进行时表示某事发生的次数过多时,则有时含有抱怨,讨厌,赞扬等的意思:He is always singing at night,and we cant fall asleep late at night.现在进行时练习题一.用现在进行时完成下列句子:1. _you_(fly) a kite? Yes,_.2. _you_(sit) in the boat?3. _he_(talk) with me?4. We_(play) football now.5. What_you_(do)?6. I_(sing) an
16、English song.7. What_he_(mend)?8. He_(mend) a car.9. These boys _ (play) tennis on the playground.10. My mother_ (cook) in the kitchen.11. We cant help you,because we _ (have )classes.12. _ the boy _ (write) his homework?13. Look! These butterflies _ (fly) in the sky.14. Listen! The girl _ (sing) in
17、 the next room.15. The naughty boy _ (swim) in the river.二.选择1. Look. Lucy is_ a new bike today.A. jumping B. running C. riding D takeing2. The children _ football.A. is playing B. are playing C. play the D. play a3. They _TV in the evening. They do their homework.A. are watching B. cant watching C.
18、 dont watch D. dont watching4. Listen! She_ in the classroom.A. is singing B. sing C .to sing D. is sing5. _are you eating? Im eating _ meat.A. What,some B. Which,any C. Where,not D. What,a6. Is she _ something?A. eat B. eating C. eatting D. eats7.My dictionary _,I have looked for it everywhere but
19、still_ it.A. has lost,dont find B. is missing,dont find C. has lost,havent found D. ismissing,havent found.8.Having a computer for personal use is no easy task because technology _ so rapidly.A. is changing B. has changed C. will have changed D. will change9. The building_ ,I cant stand the noise.A.
20、 was being built B. is built C. is being built D. builds10. I cant catch up with the fashion,because the clothes style_ all the time.A. has changed B. is changed C. is changing D. changed一般将来时一、 概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。句中一般有以下时间状语:tomorrow, next day(week, month, year),soon, the day after tomo
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