1、1. 一般現(xiàn)在時態(tài)：表示經(jīng)常性、習(xí)慣性的動作或表達(dá)主語現(xiàn)在的情況、狀態(tài)。2. 一般過去時態(tài)：表示過去 某個時間所發(fā)生的動作或存在的狀態(tài)。3. 一般將來時態(tài)：表示 將要發(fā)生的動作或存在的狀態(tài)。4. 現(xiàn)在進行時態(tài)：表示現(xiàn)在(說話時刻)正在發(fā)生或進行的動作或事情. 一、一般現(xiàn)在時：1 .定義：表示習(xí)慣或經(jīng)常反復(fù)發(fā)生動作或存在的狀態(tài)。注意：像”地球大，月亮小”等客觀真理、事實一定用一般現(xiàn)在時。一般現(xiàn)在時態(tài)：(1)be動詞時用(am is are)(2)其他實意動詞：S(主語)非三單+ do (原型)S(主語)三單+does (三單)2 .關(guān)鍵詞：sometimes, often, usually, a

2、lways, every day/ week/ year/night/Monday , threetimes a month , five days a week, on Sundays/ Thursdays , on Sunday afternoon, at 10 o'clock, in the morning 等.動詞三單形式的變化規(guī)則：1 . (1)多數(shù)直接在動詞詞尾加-s.play plays like likesask-asks work-worksget-gets call-calls(2)以字母s, x, ch, sh 或o結(jié)尾的動詞，在詞尾直接加-es.watch-wa

3、tches wish-wishesdo-doesgo-goes(3)以“輔音字母加-y ”結(jié)尾的動詞，要先變y為i再加-es.try-triesstudy-studies cry-cries fly-flies2 .不規(guī)則變化：be- is have-has二、一般過去時：1.定義:一般過去時表示過去某一時候或某一段時間所發(fā)生了的事情或存在的狀態(tài)。一般過去時態(tài)：(1)be動詞時用(waswere)(2)其他實義動詞：把原形動詞變?yōu)檫^去式(do-變-did )膻常與這些時間副詞連用：(1) . yesterday 或以其構(gòu)成的短語 ：yesterday morning(afternoon, ev

4、ening)等；(2) .由 last+-時間名詞”構(gòu)成的短語：last night, last year (winter, month, week)等；(3) . 由 時間段+ago”構(gòu)成的短語： a moment ago, a short time ago, an hour ago 等；(4) . 其它：in 1989, just now, a moment ago, the other day 等如：What did you do yesterday?昨天你干了什么?I met Lin Tao this morning. 今天上午我會至U了林濤。I was there a moment

5、ago.剛才我在刃BJL 一般過去時對謂語動詞的變化規(guī)則一般過去時用動詞的過去式構(gòu)成。即一般過去時的謂語動詞要用動詞的過去式。動詞過去式的構(gòu)成分規(guī)則變化和不規(guī)則變化兩種形式，不規(guī)則變化通常需要逐個記憶，規(guī)則變化則遵循以下原則：(1) 般在動詞后力口 -ed。如：play played, offer offered, weigh weighed, destroy destroyed, signsigned.(2)在以字母 e 結(jié)尾的動詞后， 只加-d.如：like liked, provide provided, hate hated, date dated.（3）在以 輔音字母+y”結(jié)尾的動詞

6、后，則改 y為i,再加一ed。如：supply supplied, fly flied, study studied.（4）在以重讀閉音節(jié)結(jié)尾且末尾只有一個輔音字母的動詞后，雙寫最后一個輔音字母， 再力口 -ed。如： planplanned, referreferred, regretregretted, banbanned.三、一般將來時：1 .定義:表示將要發(fā)生 的動作或存在的狀態(tài)。一般將來時態(tài)：句型一：be（am is are） + going to + do（原型）句型二：shall（一人稱用）will + do（原型）2 .標(biāo)志：tomorrow、the day after tom

7、orrow , tomorrow morningafternoonevening.next weekmonthyear , next termthis monthyear、in + 一段日t 間 ，in three days , in ten years, in the future四、現(xiàn)在進行時：1 .定義:表示現(xiàn)在（說話時刻）正在發(fā)生或進行的動作或事情.現(xiàn)在進行時態(tài)：be（am is are） +doing（動詞+ing）2 .標(biāo)志：Now= at present; at the moment 現(xiàn)在、目前、此亥Uat this moment/timeLook! Listen! 原形動詞變現(xiàn)

8、在分詞.do - doing1 . 大多動詞直接在詞尾力口 -ing ，比如：go-going, work-working, study-studying, look-looking do-doing,eat-eating,play-playing,read-reading,wash-washing,plant-planting,borrow-borro wing,paint-painting,cry-crying, climb-climbing see seeing be-being2 .以不發(fā)音的e字母結(jié)尾的動詞，要去掉 e再加-ing ,比如：make-making, write-wri

9、ting, skate-skating, close -closing, come-coming, make -making, take-taking , have-having, dance-dancing, smile-smiling, ride-riding, become-becoming,注：一般來說初中動詞中，看見以 e字母結(jié)尾的都要去掉再加 +ing除了 be和see .3 .雙寫最后一個字母再 +ing（注：以重讀閉音節(jié)結(jié)尾，末尾只有一個輔音字母的動詞，要雙寫這一輔音字母，再力口 -ing o 例如：run-running, swim-swimming,get-getting,

10、sit -sitting,put -putting,begin -beginning,hit-hitting ,stop-stopping , stop-stopping, shop-shopping, prefer-preferring, pian-pianning, fit-fitting, cut-cutting, let-letting, forget-forgetting, drop-dropping4 .少數(shù)以ie結(jié)尾的動詞，變ie為y再+ing.lie-lying, die-dying, tie-tying練習(xí)：1. I(do) my homework every evening

11、.2. We(fly) kites in the park on Sundays.3. My mother(clean) our room on Sundays.4. Tom(play) the piano every Saturday. Now he(play).5. She(like) swimming. She(swim) last weekend.6. Usually my mother(wash) the dishes after lunch. But my grandma (wash) today.7. Look at the man! He(read) a magazine.8.

12、 Look! The plane(fly) over the building.9. Listen! My aunt(sing) in the room.She is a singer. She (like) singing. She(have) a music show. She is excited.10. Tom and Mike always(swim) in the river. They(swim) in the swimming pool three days ago. Look! They(swim).11. What you usually(do) in the evenin

13、g? I(play) computer games.12. What you(do) now? I(make) a paper plane.13. What he(do) now? He(dance).14. What she(do) yesterday? She(visit) her grandparents.15. your mother(read) newspaper in the morning? Yes, She.16. you(like) fishing? No, I. I like(swim), but my brother(like).17. How your father(g

14、o) to work every day? He(go) by bike.But it ' s cold today. He(take) the No.21 bus, and he(go) to work by taxi yesterday.18. the monkey(like) climbing trees? Yes, it.19. What your father(do) after lunch? He(read) a comic book.What he(do) today? He(clean) the kitchen for my grandma.Look! He (clea

15、n).20. you(collect) stamps? Yes. I.your brother (collect), too? No, he.21. He swimming in the river every day in summer. (go)22.It you are right. ( seem )23.Look, the children basketball on the playground. ( play )1.1 I can ' t find my pen . Who it ? ( take )25 .He down and began to read his new

16、spaper. ( sit )26 . When you the car ? In 1998 . ( buy )27 .The bike is nice . How much it? (cost)28 . Mike says he(want )to be a worker after he (finish )school.29 . Light(travel )much faster than sound.30 . Tom, your aunt(come) this afternoon .31 . My teacher often(tell) us not to play on the stre

17、et.32 . You(not be) at school last Friday.33 .Jim with his parents(visit) the Great Wall the day after tomorrow.34 . Kitty sometimes(go) to the park with his sister.35 . Jenny (do) an experiment the day after tomorrow.完形填空Tom did not like doing his homework, because he liked to do some 1 things afte

18、r school And his teacher always 2 a lot of mistakes in his homework.Then one day his math teacher 3 at Tom ' s homework and saw that he got all his answers right He was very 4 and surprised (驚奇). The next morning before class, he called Tom 5 his desk and 6 to him, “You got all your homework right thi