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1、Step 1.动词的时态英语时态用共有十六种时态，其中常用的有8种，它们是：一般现在时、一般过去时、一般将来时、现在进行时、现在完成时、过去进行时、过去完成时和过去将来时。（1）一般现在时的基本用法1) 经常性或习惯性的动作，常与表示频度的时间状语连用。 时间状语： every, sometimes,at, on Sunday I leave home for school at 7 every morning.2) 客观真理，客观存在，科学事实。 The earth moves around the sun. Shanghai lies in the east of China.3) 表示格
2、言或警句中。 Pride goes before a fall.【注意】此用法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。例：Columbus proved that the earth is round.4) 现在时刻的状态、能力、性格、个性。 I dont want so much.5) 某些动词如 come, go, move, stop, leave, arrive, be, finish, continue, start 等，在一般现在时句中可用来表示将来肯定会发生的动作。 The train comes at 3 oclock. 6) 在时间状语从句或条件状语
3、从句中，一般现在时代替一般将来时。 Ill help you as soon as you have problem. Tell Xiao Li about it if you meet him.Step2 一般过去时1一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。2.常与一般过去时连用的时间状语：yesterdaylastyesterday morning/ yesterday afternoon/ yester day eveningagolast week/ month/ year/ night/weekend three weeks ago/ ten m
4、inutes ago/ an hour ago/long long ago其它in 2007, just now, one day3Be动词在一般过去时中的变化：am 和is在一般过去时中变为was。（was not=wasnt）are在一般过去时中变为were。（were not=werent）带有was或were的句子，其否定、疑问的变化和is, am, are一样，即否定句在was或were后加not，一般疑问句把was或were放到句首。4句中没有be动词的一般过去时的句子否定句：didnt +动词原形，如：Jim didnt go home yesterday.一般疑问句：在句首加d
5、id，句子中的动词过去式变回原形。如：Did Jim go home yesterday? 特殊疑问句：疑问词+did+主语+动词原形？如： What did Jim do yesterday?疑问词当主语时：疑问词+动词过去式？如：Who went to home yesterday?5. 动词过去式变化规则：1)一般在动词末尾加-ed，如：pull-pulled, cook-cooked2)结尾是e加d，如：taste-tasted3)末尾只有一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母，再加-ed，如：stop-stopped4)以“辅音字母+y”结尾的，变y为i，再加-
6、ed，如：study-studiedStep 3练习1 She lived there before he_to China.A. came B. comes C. come D. coming2 -I have had supper.- When _you_it?A. have; had B. do, have C. did,have D. will have3 When did you _here?A. got to B. reached C. arrive in D. reach4 I_my homework at 7:00 yesterday evening.A. finished B
7、. would finish C. was finishing D. finish5 -He didnt go shopping with you yesterday afternoon, did he? - _.A. No, he doesnt B. Yes, he didnt C. No, he did D. Yes, he did.填空1 They_(be) on the farm a moment ago.2 There_(be)a shop not long ago.3 Jenny_(not go)to bed until 11:00 oclock last night.4 Dann
8、y _(read )English five minutes ago.5 I _(see)Li Lei _(go) out just now.Step3现在进行时1现在进行时表示现在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。2现在进行时的肯定句基本结构为be+动词ing. 3现在进行时的否定句在be后加not。4现在进行时的一般疑问句把be动词调到句首。 5现在进行时的特殊疑问的基本结构为：疑问词+ be + 主语 + 动词ing? 但当对主语进行提问时其结构为： 疑问词+ be + 动词ing? 动词加ing的变化规则1一般情况下，直接加ing，如：cook-
9、cooking2以不发音的e结尾，去e加ing，如：make-making, taste-tasting3如果末尾是一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如：run-running, stop-stopping现在进行时专项练习：用所给的动词的正确形式填空：1. The boy _ ( draw)a picture now. 2. Listen .Some girls _ ( sing)in the classroom .3. My mother _ ( cook )some nice foodnow. 4. What _ you _ ( do ) now?5. Look
10、 . They _( have) an English lesson . 6. They _(not ,water) the flowers now.7. Look! the girls _(dance )in the classroom .句型转换1.Look!Lilyisdancing.（改为一般疑问句） 2.Kateislookingforherwatch.（改为否定句）3.The birds are singing in the tree.(就划线部分提问)4.The children are playing games near the house.(就划线部分提问)5.She is
11、 closing the door now.(改成否定句)单项选择1.Look!The twins_their mother do the housework.(A)are wanting (B)help (C)are helping (D)are looking2_are the birds doing? They are singing in a tree.(A)Who (B)What (C)How (D)Where3.Is she_something?(A)eat (B)eating (C)eatting (D)eats4.Listen! She_in the classroom.(A)
12、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,aStep4 过去进行时：表示过去某时正在进行的状态或动作。肯定句：主语+was/were + doing+其它否定句：主语+was/were + not + doing+其它一般疑问句及答语：Was/Were+主语+doing+其它 答语：Yes, I was./ No, I wasnt. 特殊疑问句：特殊疑问词+was/were+主语+doing+其它过
13、去进行时的主要用法1.表示过去某一时间内（正在）进行的动作如：I was doing my homework at 9 p.m. last Sunday.2.表示一个动作正在进行时，另一个动作发生了如：He played when I was studying.过去进行时常用的时间状语：all day yesterday, from nine to ten last evening, whenIt was raining when they left the station. When I got to the top of the mountain, the sun was shining.
14、 (1) Mary _ a dress when she cut her finger. A. made B. is making C. was making D. makes 答案C. 割伤手指是已发生的事情，应用过去时。同 时，when表时间的同时性，玛丽在做衣服时提供事情发生的背景，因此用过去进行时。 一、用动词的适当形式填空。 1. I _ _ (telephone) a friend when Bob _ (come) in.2. We _ _ (test) the new machine when the electricity _ _ (go) off.3. Jane _(wait) fo
