1、一般现在时 一般过去时 现在进行时 过去进行时1. 一般现在时（1）一般现在时的构成动词一般用原形，若主语为单数第三人称，则动词加词尾-s或-es，具体变化规则如下(与名词的单数变复数规则大致一样)：1. 一般情况下由动词后加-s构成。如：workworks 工作 readreads 读 looklooks 看comecomes 来 livelives 居住 listenlistens 听2. 以s, x, z, sh, ch 以及字母o结构的动词，后加-es。如：guessguesses 猜 mixmixes 混和 gogoes 去finishfinishes 完成 catchcatches
2、 抓住 3. 以辅音字母加y结尾的动词，应将y改为i 再加-es。如：flyflies 飞行 studystudies 学习 carrycarries 带，扛一般现在时主要用动词的原形表示，如果主语是第三人称单数，则在动词原形式后加s 或es 。如：Tom often helps his parents do housework at home.汤姆在家经常邦助父母做家务。 Sometimes Lucy washes her clothes herself.有时候露西亲自洗她的衣服。（2）一般现在时的用法1）表示经常性或习惯性的动作或存在的状态。与often , always ,usually
3、 , sometimes , once a week , every day 等表示频度的副词或时间状词连用。如：I often go to school by bike. 我经常骑自行车去上学。2) 表示客观事实或普遍真理。 如：The earth goes around the sun .地球绕着太阳转。3）在时间、条件等状语从句中，用现在时表示将来。如：If it rains tomorrow, we wont go to the park.如果明天下雨，我们就不去公园了。When I grow up, I will go to America.当我长大以后，我将去美国。4）在某些以he
4、re , there 开头的句子用一般现在时表示正在发生的动作。如： There goes the bell .铃响了。（3）与一般现在时连用的有时间状语1）表示频度的副词always , often , usually , sometimes 等。2）on Sandy, on Monday afternoon, every day , in the morning, every year 等时间状词。3）once a year, twice a month , three times a week之类的表示频率的词组。2.一般过去时（1）一般过去时的构成：一般过去时用动词的过去式表示。Las
5、t week Tom made a model plane with his friend Jack.上周汤姆和他的朋友杰克做了一个飞机模型。（2）一般过去时的用法1）表示过去某时间发生的动作或存在的状态。如：I got up at six this morning.今天早上我六点起床。We visited the factory last week.上周我们参观了那个工厂。2）表示过去习惯或经常发生的动作。如：When I was in the countryside, I often swam in the river.当我在下乡时，我常常在河里游泳。（3）和一般过去时连用的时间状语Las
6、t night, yesterday, last week, some years ago, in 1995, in the past, the other day, at that time, just now 等。（4）动词过去式分规则变化和不规则变化两种。不规则变化需逐个记忆，规则变化遵循以下原则：(1) 一般情况下，在动词后加 -ed 构成：workworked 工作laughlaughed 笑seemseemed 似乎looklooked 看jumpjumped 跳playplayed 玩(2) 在以-e结尾的动词后只加 -d：closeclosed 关likeliked 喜欢agr
7、eeagreed 同意(3) 以辅音字母加 y 结尾的动词，应将 y 改为i 再加-ed：studystudied 学习carrycarried 带，扛trytried 试，设法(4) 以重读闭音节或r音节结尾且末尾只有一个辅音字母的动词，要双写末尾的辅音字母再加-ed：stopstopped停止dropdropped 掉下preferpreferred 宁愿 3. 现在进行时（1）现在进行时的构成现在进行时由“主语+am / is / are +动词的现在分词”构成。否定形式：主语+am / is / are +not +动词的现在分词。疑问形式“Am / Is /Are +主语+ 动词的现
8、在分词。肯定回答：Yes ,主语+am / is / are .否定回答：Not , 主语+am / is /are + not .(2)现在进行时的用法1）表示此时此刻正在进行的动作。如：What are you doing ? 你在做什么？-I am reading English. 我正在读英语。2）表示现阶段正在进行的动作或持续的状态。如：They are studying hard his term.他们这学期学习一直很努力。3）go , leave, arrive , start等动词现在进行时表示将来。如：I am going to Beijing this Sunday.本周日
9、我打算去北京。4) 当时间状词为now , there days 等时或当句子中含有look , listen ,can you see ,cant you see 之类的暗示词时，要使用现在进行时。但应注意下列这些动词一般不用于现在进行时态的句子中。a. 表示感觉的动词，如see, hear等。b. 表示喜欢或厌恶的动词，如like, love 等。c. 表示希望的动词，如want, would like 等。d. 表示状态的动词，如：be 等。e.表示归属的动词，如：have 等。f. 表示思维、知识或理解能力的动词，如：know, forget 等。4. 过去进行时（1）表示过去某一时刻
10、或过去一段时间内正在进行的动作。常和表示过去的时间状语then ,at that time , this time yesterday ,at ten yesterday等连用，或用另一动作来表示过去的进间。如：-What were you doing at nine last night?-I was watching TV at that time.昨天晚上九点你在干什么？那时我正在看电视。He was reading when I came in. 当我进来时，他正在读书。I was doing my homework while my parents were watching TV.
11、当父母看电视的时候，我正在做作业。（2）过去进行时常和always 等时间副词连用时，表示过去频繁发生的习惯性动作，此时的过去进行时带有一定的感情色彩。如：Alice was always changing her mind. 艾丽丝总含有在改变主意。（3）注意在含有when或while 引导的时间状语从句的主从复合句中过去进行时的运用。1) 主句中的动作先于从句中的动作发生，且进行的时间较长时，主句用过去时进行时（从句常用一般过去时）。2）从句中的动作先于从句中的动作发生，且进行的时间较长时，从句用过去进行时（主语用一般过去时）。3）若主、从句动作开始的时间不存在先后关系（即同时发生）或无所
12、谓先后时，主从句可同时使用过去进行时，此时的时间状语从句一般由while 来引导。5. 现在分词构成1 一般情况下直接加ing think-thinking sleep-sleeping study-studying speak-speaking say-saying2 以不发音的字母e结尾的单词，去掉字母e，再加ingmake-making come-coming take-taking leave-leavingwake-waking have-having3以重读闭音节结尾，呈现“辅，元，辅”结构的动词，先双写末尾的辅音字母，再加ing stop-stopping sit-sitting
13、 run-running forget-forgetting 4 以ie结尾的动词，把ie改为y ，再加ing die-dy lie-lying5以重读闭音节结尾，呈现“辅，元，辅”结构的动词，先双写末尾的辅音字母，再加ing 。初中学过的这类词有：bigin，cut, get, hit, run, set, sit, spit, stop, swim, beg, drop, fit, nod, dig, forget, regret, rid, 等。travel虽然重读第一音节，词尾音节不重读，但是现在分词仍要双写末尾辅音字母，然后再加ing，如：travel-travelling.初中阶段
14、此类词只有这一个。练习：一、单项填空1. There _many students in the library after school every day.A. has B. have C. is D. are 2. The football team played well, but they didnt _the competition.A. score B. do C. succeed D. win 3. They _her to the party, so she was very happy.A. invite B. invited C. will invite D. are i
15、nviting 4. Diana, together with her friends, _Chinese in China.A. study B. have studied C. studies D. are studying 5. They had to _the 800meter race because of the bad weather.A. put on B. put off C. get on D. get up 6. This silk dress _ so smooth. Its made in China. A. tastes B. smells C. sounds D.
16、 feels 7. My friend_ me. I have to leave now.A. waits for B. waited for C. is waiting for D. was waiting for 8. Mike didnt get wet because his teacher _ him an umbrella.A. lent B. discovered C. borrowed D. taught 9. -Shush, be quiet! The baby _in the next room. -OK, Sorry.A. sleep B. slept C. sleeps
17、 D. is sleeping 10.-Hi , Tony. The milk shake _good! -Im glad you like it.A. sounds B. falls C. goes D. tastes 11. He _his bicycle when it began to rain.A. was riding B. is riding C. has ridden D. rides 12. -What does your sister like doing in her spare time? -She _watching TV.A. likes B. liked C. h
18、as liked D. had liked 13. -What a nice model ship! -Thank you, It _me three days to make it.A. paid B. spent C. took D. wasted 14. -Can I help you? -I bought this watch here yesterday, but it _work.A. wont B. didnt C. doesnt D. wouldnt 15.-Dinner is ready , Help yourself ! -Wow! It _delicious. Could
19、 you please tell me how to cook it?A. tastes B. looks C. sounds D. feels 16. The summer vacation will begin next week. David _ to stay with us.A. will be coming B. comes C. came D. is coming 17. I_on the computer when Jim came to see me yesterday evening.A. draw B. drew C. was drawing D. am drawing
20、18. -Where is Frank now? -He _his bike in the yard.A. fixes up B. fixing up C. is fixing up D. fixed 19. Hell send us a message as soon as he _in Sichuan.A. is arriving B. will arrive C. arrived D. arrives 20. The children _ a P.E. class on the playground when it suddenly began to rain.A. have B. ar
21、e having C. had D. were having 21. -Did you see a girl in white pass by just now? -No, sir .I _a newspaper.A. read B. was reading C. would read D. am reading 22. Again and again the doctor _the crying girl, but he couldnt find out what was wrong with her.A. looked over B. looked after C. looked for
22、D. looked out 23. The teacher told the students that the earth _round, not flat.A. was B. is C. has been D. is being 24. He turned off the light and then _the classroom.A. leaves B. will leave C. is leaving D. left 25. Coffee is ready .How nice it _ ! Would you like some?A. looks B. smells C. sounds
23、 D. feels 26. Oh, the milk _strange. Do you think its OK to drink?A. was tasted B. tasted C. is tasting D. tastes 二、用括号内动词的适当形式填空。 1. Whatthey often(do) on Saturdays? 2. She and I (take) a walk together every evening. 3. Mike(like) cooking. 4. You always(do) your homework well. 5. She(go) to school
24、from Monday to Friday. 6. The child often(watch) TV in the evening. 7. Su Hai and Su Yang(have) eight lessons this term. 8.What day(be) it today? Its Saturday.9. My father always _(come) back from work very late.10. The teacher is busy. He _ (sleep) six hours a day.11. Listen! Joan _(sing) in the cl
25、assroom. She often _ (sing) there.12. _ your brother _(know) Japanese?13. Where _ you _ (have) lunch every day?14. The girl _(like) wearing a skirt. Look! She _(wear) a red skirt today.15.What are you _(do) now? I _(eat) bread.16. Its nine oclock. My father_(work) in the office.17. Look, the boy_(pu
26、t) the rubbish into the bin.18. _he_(clean) the classroom? No, he isnt. He_(play).19. Where is Mak? He_(run) on the grass.20. Listen, who_(sing) in the music room? Oh, Mary_(sing) there.21. While we _ (wait) for the bus, a girl _ (run) up to us.22. I _ (telephone) a friend when Bob _ (come) in.23. J
27、im _ (jump) on the bus as it _ (move) away.24. We _ (test) the new machine when the electricity _ (go) off.25. She _ (not want) to stay in bed while the others _ (all, work) in the fields.26. While mother _ (put) Cathy to bed, the door bell _ (ring).27. As I _ (walk) in the park, it _ (begin) to rai
28、n.28. I _ (have) an exciting party last weekend. 29. _ she _(practice) her guitar yesterday? No, she _. 30. What _ Tom _ (do) on Saturday evening? He _(watch) TV and _(read) an interesting book. 31. They all _(go) to the mountains yesterday morning. 32. She _(not visit) her aunt last weekend. She _ (stay) at home and _(do) some cleaning. 33. When _ you _(write) this song? I _(write) it last year. 34. My friend, Carol, _(study) for the math test and _(practice) English last night. 4
