小学四种时态讲解及专项练习

1、四种时态讲解和专项练习【一】一般现在时一、一般现在时的功能1 .表示事物或人物的特征、状态。如：The sky is blue.天空是蓝色的。2 .表示经常性或习惯性的动作。如：I get up at six every day我每天六 点起床。3 .表示客观现实。如：The earth goes around the su地球绕着太阳转。 二、一般现在时的构成1 .当主语为第三人称单数(he, she,itM,要在动词后加"-s"或"-es"。如： Mary likes Chinese.玛丽喜欢汉语。2 .当主语为其他人称时，动词用原形。三、标志词：

2、often ,always ,usually, sometimes, every morning, on Sundays四、动词 +s 的变化规则1 . 一般情况下，直接加-s,如：cook-cooks,2 .以 s. x. sh. ch. o 结尾，力口-es,女口： guess-guesses,wash-washes, watch-watches, go-goes,do-does3 .以 辅音字母+y”结尾，变y为i,再加-es,如：study-studies特殊： have has，【练习】用括号内动词的适当形式填空。1 .He often (have) dinner at home.2

3、 .Daniel and Tommy (be) in Class One.3 .We (not watch) TV on Mondays.4 .Nick (not go) to the zoo on Sundays.5 .they (like) the World Cup?6 .What they often (do)?7 .your parents (read) newspapers every day?8 .The girl (teach) us English on Sundays.9 .She and I (take) a walk together every evening.10.

4、There (be) some water.【二】现在进行时一、现在进行时的功能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。二、现在进行时的构成1 .现在进行时的肯定句基本结构为am/is/are+动ting.2 现在进行时的否定句在am/is/are 后加not。三、标志词：look now listen It ' 酬中四、动词加ing 的变化规则1 一般情况下，直接加ing ，如： cook-cooking2 以不发音 e 结尾的， 去 e 加 ing ， 如： make-making, write writing , ride r

5、iding, have having ， come coming ， dance dancing ， live living ， take taking3 重读闭音节结尾的动词，双写末尾的辅音字母，再加ing ，如：swim swimming begin beginning run-running, sit sitting put putting get getting shop shopping stop- stopping【练习】用所给动词的正确形式填空：1. The boy ( draw)a picture now.2. Listen .Some girls ( sing)in the

6、classroom .3. My mother ( cook )some nice food now.4. What you ( do ) now?5. Look . They ( have) an English lesson .6. They (not ,water) the flowers now.7. Look! the girls (dance )in the classroom .8. What is our granddaughter doing? She (listen ) to music.9. It s 5 o clock now. We (have)nsouwpper10

7、. Helen(wash )clothes? Yes ,she is .【三】一般将来时一、一般将来时的功能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。二、一般将来时的构成 be going to + do； will+ do.三、标志词：tomorrow, next day(week, month, year等,soon,【练习】1 .我打算明天和朋友去野炊。I have a picnic with my friends.2 .下个星期一你打算去干嘛？我想去打篮球。WhatnextMonday?I play basketball.3 .你妈妈这个周末去购物吗？是，她要去买一些水果

8、。 your mother go shopping this?Yes, she. She buy some fruit.4 .你们打算什么时候见面？What time you meet?【四】一般过去时一、一般过去时的功能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。一般过去时也表示过去经常或反复发生的动作。 二、一般过去时的构成主语+动词过去式三、标志词： ago, last, yesterday, just now四、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 力口 d,如：tast

9、e-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，再力口 -ed,如：stop-stopped4 .以 辅音字母+y”结尾的，变y为i,再加-ed,如：study-studied5 .不规则动词过去式需要牢记。【练习】用所给动词的正确形式填空：1. I(be)at school just now.2. He(be)at the camp last3. We(have) a party last Halloween.4. Nancy(pick) up oranges on the farm last week.5. I(make) a model shi

10、p with Mike yesterday.6. They(play) chess in the classroom last PE lesson.7. My mother(cook) a nice food last Spring Festival.8. The girls(sing) and(dance) at the party. 综合练习()1.he to the park at 6:30 in the morning? No,he.A. Does; goes; does B. Does; go; doesn C. Does; go; does( )2. Tim always a pi

11、cture at home. He a car now.A. draws; is drawing B. draw; draw C. draws; draw( )3. She usually her friends. They often tea.A. see; drink B. sees; drinks C. sees; drink( )4. Where are the man and the woman? They near the tree.A. sit B. sat C. are sitting( )5.you fishing yesterday? No, we.A. Does; go;

12、 doesnB. Did; go; didnC. Do; go; don ' t( )6. -Open the window, Please. -Look! He it.A. opens B. is openning C. is opening( )7. I usually some milk every day. But I coffeeyesterday.A. drink; drank B. is drinking; drink C. drank; am drinking( )8. Mr. Green often his newspapers at night. But he aninteresting book tonight (今晚).A. reads; reads B. read