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1、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肯定句:主语+动词原
2、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+动词三单
3、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 :watchesteachesgoesdoeswashescrosses mixesbrushes(3) 动词末尾 y 前为辅音:将 y 改为 i 加 es: studystudies flyfliescarrycarriescrycries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(ge
5、t) 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. 6.mike sometimes(go) to the park with his sister.7. at eight at night, she(watch) tv with his parents.108. mike(read) english every d
6、ay?9. how many lessonsyour classmates(have) on monday? 10.what timehis 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
7、every day.(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 , re
8、ad-reading , 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:
9、forget- forgetting,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
10、 be ( is / am / are ) 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
11、are . / no ,they arent .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-shes it 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 n
12、ow,at the moment,just 等副词连用,以示强调we are waiting for you. what are you doing? some ones knocking at the door 2.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 arti
13、cle.dont take that book 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
14、渐变的动词有:become,turn,get,grow,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
15、 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”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. wha
16、tyou(do)?6. i(sing) an english song.7. whathe(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) i
17、n the next room.15. the naughty boy(swim) in the river.二.选择1. look. lucy isa new bike today.a. jumping b. running c. riding d takeing2. the childrenfootball.a. is playing b. are playing c. play the d. play a3. theytv in the evening. they do their homework.a. are watching b. cant watching c. dont wat
18、ch d. dont watching4. listen! shein the classroom.a. is singing b. sing c .to sing d. is sing5. are you eating? im eatingmeat.a. what,some b. which,any c. where,not d. what,a6. is shesomething?a. eat b. eating c. eatting d. eats7. my dictionary,i have looked for it everywhere but stillit.a. has lost
19、,dont find b. is missing,dont find c. has lost,havent found d. is missing,havent found.8.having a computer for personal use is no easy task because technologyso rapidly.a. is changing b. has changed c. will have changed d. will change9. the building,i cant stand the noise.a. was being built b. is bu
20、ilt c. is being built d. builds10. i cant catch up with the fashion,because the clothes styleall 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 tomorrow(后天)等。二、基本结构:be going to
21、 + do;will+ do.三、否定句:在 be 动词(am, is, are)后加 not 或情态动词 will 后加 not 成 wont。例如:im going to have a picnic this afternoon. im not going to have a picnic this afternoon.四、一般疑问句: be 或 will 提到句首,some 改为 any, and 改为 or,第一二人称互换。例如:we are going to go on an outing this weekend. are you going to go on an outing
22、this weekend?五、对划线部分提问。一般情况,一般将来时的对划线部分有三种情况。1. 问人。who 例如:im going to new york soon. whos going to new york soon.2. 问干什么。what do.例如: my father is going to watch a race with me this afternoon. what is your father going to do with you this afternoon.3. 问什么时候。when.例如:shes going to go to bed at nine. wh
23、en is she going to bed?六、同义句:be going to = willi am going to go swimming tomorrow(明天). = i will go swimming tomorrow.一般将来时练习题1. 我打算明天和朋友去野炊。ihave a picnic with my friends. ihave a picnic with my friends.2. 下个星期一你打算去干嘛? 我想去打篮球。whatnext monday? iplay basketball.whatyou do next monday? iplay basketball
24、.3. 你妈妈这个周末去购物吗?是,她要去买一些水果。 your mothergo shopping this? yes, she. shebuy some fruit.4. 你们打算什么时候见面。what timeyoumeet?改句子。5. nancy is going to go camping.(改否定) nancygoing to go camping.6. ill go and join them.(改否定) igojoin them.7. im going to get up at 6:30 tomorrow.(改一般疑问句) to get up at 6:30 tomorrow
25、?8. we will meet at the bus stop at 10:30.(改一般疑问句) meet at the bus stop at 10:30.9. she is going to listen to music after school.(对划线部分提问) sheafter school?10. my father and mother are going to see a play the day after tomorrow.(同上) going to see a play the day after tomorrow.用所给词的适当形式填空。11. today is
26、a sunny day. we(have) a picnic this afternoon.12. my brother(go) to shanghai next week.13. tom often(go) to school on foot. but today is rain. he(go) to school by bike.14. what do you usually do at weekends? i usually(watch) tv and(catch) insects?15. it s friday today. whatshe(do) this weekend? she(
27、watch) tv and (catch) insects.一般过去时i. 一般过去时的概念一般过去时表示过去某个时间发生的动作或存在的状态。常和表示过去的时间状语连用。如:last year/week/night/month, yesterday等。例如:i saw him in the street yesterday. 昨天我在街上看见他了。li mei always went to school on foot last year. 去年李梅总是步行上学。ii. 一般过去时的构成动词过去式的构成:(1) 规则动词过去式的构成有四条规则:一般在动词原形末尾直接加上-ed。如:look-l
28、ooked。以不发音的字母e结尾的动词,去e再加-ed。如:live-lived。末尾只有一个辅音字母的重读闭音节,先双写这个辅音字母,再加-ed。如:stop-stopped。末尾是辅音字母+y结尾的动词,先变y为i,然后再加-ed。如:study-studied。(2) 不规则动词的过去式需特殊记忆。am(is)-was,are-were, go-went,come-came,take-took,have (has)-had read-read,make-made,see-saw,go-went,eat-ate,iii. 一般过去时的几种句型肯定句结构为:主语+动词的过去式+其它。如:he
29、 went to the toy store yesterday. 他昨天去玩具店了。否定句结构为:主语+did not (didnt)+动词原形+其它。如:he didnt go to the toy store yesterday. 他昨天没去玩具店。一般过去时的一般疑问句的构成:did+主语动词原形其它?如:1) -did you go to beijing last week?-yes, we did. (no, we didnt.)2) -did you meet the businessman before?-no, i didnt. (yes, i did.)一般过去时的特殊疑问
30、句的构成:疑问词did+主语动词原形其它?如:1) -what did you do last night?-i did my homework.2) -where did you go last week?-i went to shanghai with my parents.一般过去时口诀一般过去时并不难,表示过去动作、状态记心间。动词要用过去式,时间状语句末站。否定句很简单,didnt 站在动词原形前,其它部分不要变。一般疑问句也好变,did放在句子前,主语、动词原形、其它部分依次站。特殊疑问句也简单,疑问词加一般疑问句记心间。最后一条请注意,动词过去式要牢记。小朋友们口诀记,学会一般过
31、去时没问题。小学阶段要掌握的几个动词的过去式:watched tv,washed clothes,played football,cleaned the room, visited grandparents, went to a park, went swimming, read a book, went fishing, went hiking, learned chinese, sang and danced, took pictures, climbed a mountain, ate good food, bought presents,rowed a boat, saw elepha
32、nts,went skiing,went ice-skating.一般过去时练习题i. 用所给的动词的适当形式填空。he(visit) the great wall last year. 2.we(have) a good time yesterday. 3.we often(go) to school by bus last year.4.i(live)in the village when i was a child.5.mike(see) a big tiger in the nature park last year. 6.sam(do) the housework yesterday
33、.7.(do) you(enjoy) yourself yesterday?8.-(do)you(play) the violin in the artroom yesterday?-no, i didnt. i(draw)some pictures there. 9. i(eat) a big pizza yesterday.10.there(be) many sheep on the farm last year.ii. 选择填空() 1. she watered the flowers.atomorrowbsometimescyesterday morning() 2.whatmike
34、do last weekend ?adobdoescdid () 3. imyroom last sunday.acleanedbcleancamcleaning() 4. i often help my motherhousework.adoesbdidcdo () 5.youtv last night .ado, watchbdid, watchcdid, watched () 6.-didyour father write an e-mailyesterday ?ayes, he did.b yes, hedoesc no, he dont() 7.theyona trip in feb
35、ruary ,2007.aare goingb goingc went () 8.were going tomountainstomorrow .aclimbb climbedc climbing iii根据句意,填上合适的单词。1-whereyou go on your holiday? - ia park.2-did you do on your holiday? - ipresents. 3-did you go there?i i wentplane.4.-what did you(learned ,learn ) last monday? 5.- did youa boat yest
36、erday?课后练习一、 写出下列动词的第三人称单数drinkgostaymake lookhavepasscarry comewatchplantfly studybrushdoteach 二、写出下列动词的现在分词playrunswimmake golikewriteski readhavesingdance putseebuylove livetakecomeget stopsitbeginshop 三、写出下列动词的过去式isamflyplantare drinkplaygomake doesdanceworryask tasteeatdrawput throwkickpassdo 四
37、、用行为动词的适当形式填空1. he(live) in wuxi two years ago.2. the cat(eat) a bird last night.3. we(have) a party last halloween.4. nancy(pick) up oranges on the farm last week.5. i(make) a model ship with mike yesterday.6. they(play) chess in the classroom last pe lesson.7. my mother(cook) a nice food last spri
38、ng festival.8. the girls(sing) and(dance) at the party.9. she and i(take) a walk together every evening.10. there(be) some water in the bottle.11. today is a sunny day. we(have) a picnic this afternoon.12. my brother(go) to shanghai next week.13. tom often(go) to school on foot. but today is rain. h
39、e(go) to school by bike.14. what do you usually do at weekends? i usually(watch) tv and(catch) insects?15. its friday today. whatshe(do) this weekend? she(watch) tv and (catch) insects.16. she(go) to school from monday to friday.17. liu tao(do) not like pe.18. the child often(watch) tv in the evenin
40、g.19. su hai and su yang(have) eight lessons this term.20. what day(be) it today?its saturday.21. the boy( draw)a picture now.22. listen .some girls( sing)in the classroom .23. my mother( cook )some nice food now.24. whatyou( do ) now?25. look . they( have) an english lesson . 26.they(not ,water) th
41、e flowers now.27.look! the girls(dance )in the classroom . 28.what is our granddaughter doing? she(listen ) to music.29. its 5 oclock now. we(have)supper now 30.helen(wash )clothes? yes ,she is .31. it(be) the 2nd of november yesterday. mr white(go) to his office by car.32. gao shan(put) the book on
42、 his head a moment ago.33. dontthe house. mumit yesterday. (clean)34. whatyoujust now? isome housework. (do)35. they(make) a kite a week ago.36. i want toapples. but my dadall of them last month. (pick)37. hethe flowers this morning? yes, he. (water)38. she(be) a pretty girl. look, she(do) chinese d
43、ances.39. the students often(draw) some pictures in the art room. 40.whatmike do on the farm? hecows. (milk)五、用 be 动词的适当形式填空1. i(watch) a cartoon on saturday.2. her father(read) a newspaper last night.3. weto zoo yesterday, weto the park. (go)4. you(visit) your relatives last spring festival?5. he(f
44、ly) a kite on sunday? yes, he.6. gao shan(pull) up carrots last national day holiday.7. i(sweep) the floor yesterday, but my mother.8. whatshe(find) in the garden last morning? she(find) a beautiful butterfly.六、句型转换1. su hai took some photos at the sports day.否定句: 一般疑问句: 肯、否定回答: 2. nancy went to sch
45、ool early.否定句: 一般疑问句: 肯、否定回答: 3he is playing the football in the playground .(对划线部分进行提问)4. tom is reading books in his study . (对划线部分进行提问)5. it was exciting.否定句: 一般疑问句: 肯、否定回答: 七、按照要求改写句子1. daniel watches tv every evening.(改为否定句)2. i do my homework every day.(改为一般疑问句,作否定回答)3. she likes milk.(改为一般疑问句,作肯定回答)
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