1、 一般现在时【定 义】一般现在时表示现在经常反复发生的动作、存在的状态或习惯性的动作。即描述我们日常生活中的衣食住行等活动。【用 法】(1) 在实际应用中，一般现在时常与以下时间状语联用：always, usually, often, sometimes, every week (day, year, month, once a week, on Sundays (2)没有时间状语，可以分以下四种类型：Abe 型 这一类型由 be 动词+ 名词、形容词、副词、代词、数词或介词短语等一起构成谓语，表示主语的个性、特征或状态。Bdo 型 其构成为“ 主语+动词原形或动词第三人称单数形式 ”。如：I
2、 know it. He knows me.Cthere be+主语+其他 ，用法遵循 “就近原则 ”，D情态动词型 情态动词型句子的构成为“ 主语+ 情态动词+动词原形 ”【练 习】一、用所给词的适当形式填空。 （Be 动词）1. _(be) Tom and Sam in the same class?2. Your school life _(be) very interesting.3. There _(be) a pen, two rulers and some books on the desk.4. The boys _(be) very friendly to me.5. Mar
3、ia _(be not) from the U.S.A.6. _(be) there any trees and a pool in the yard? 7. I want to _(be) a teacher.8. Dont _(be) late for school again.二、用所给词的适当形式填空。 （情态动词）1. My mom can _(cook) food well. 2. Must she _(stay) at home now?3. What can the boy _(do) for his parents?4. Tom cant _(sing) an English
4、 song.三、用所给词的适当形式填空。 （实义动词）1. Tom often _(take) a talk after supper.2. Tom and I usually _(go) to school by bike.3. Does Lin Tao _(like) reading storybooks?4. What classes do you _(have) today?5. Where do they _(live) now?6. Sam doesnt _(get) up early in the morning.7. Each of them _(have) a nice sc
5、hoolbag.8. They each _(sleep) late at night.四、句型转换。1. I am from Qijiang.（变一般疑问句） _ _ from Qijiang?2. Are the storybooks very interesting?（否定回答） No, _ _.3. There are some nice books on the shelf.（对划线部分提问）_ _ on the shelf?4. Must I finish my homework at once?（作肯定和否定回答） Yes, _ _.No, _ _.5. Jim learns E
6、nglish well.（变一般疑问） _ Jim _ English well?6. She likes Sichuan food very much.（对划线部分提问）What _ she _ very much?7. Do the boys usually play football after school?（作肯定回答） Yes, _ _.8. She usually does some cooking in the evening.（变否定句）She usually _ _ any cooking in the evening.9 I want to do some shoppin
7、g.（变一般疑问句） _ you _ to do any shopping?10. They sometimes go swimming in the afternoon.（对划线部分提问）What _ they sometimes _ in the evening?一般过去时【定 义】一般过去时表示过去某个时间发生过了的动作或存在过的状态。即描述已经发生过了的事情。【时间标志性词】 yesterday，the day before yesterday, in 2010, (three days) ago, last (night, month, year, weekend), just no
8、w, 另一般过去时也表示经常或反复发生的动作，常和 often, always 等表示频率的时间状语连用。例如：I always went to school on foot last year. 去年我通常走路去上学。【用 法】Abe 型 be 动词（was 和 were）+ 名词、形容词、副词、代词、数词或介词短语。Bdid 型 主语+ 动词过去式动词。如：I knew him when I was young. He believed me at that time . Cthere be（ was/were） 型D情态动词型 情态动词型句子的构成为“主语+ 情态动词过去式 could+
9、动词原形”He could speak a little English last year.(could+speak)【练 习】一、 用所给词的适当形式填空。 （Be 动词）1. I _(be) a little girl at that time.2. Maria _(be) born in Cuba.3. They _(be) very happy at Kangkangs birthday party yesterday.4. _(be) you at home a moment ago?5. Where _(be) your parents last Saturday?6. My m
10、other _(be not) in Chongqing last month.二、 用所给词的适当形式填空。 （情态动词）1. Jane _(can) speak Chinese well when she was only five.2. I _(can not) sleep well last night.3. What _(can) you do just now?三、用所给词的适当形式填空。 （实义动词）1. I _(like) reading books before. But now I dont. 2. She _(watch) TV late yesterday evenin
11、g.3. _ they _(have) any bread this morning?4. What _ you _(do) the day before yesterday?5. Tom _(not go) to visit the Great Wall last year.6. Mr. Wang _(sing) an English song just now.7. _ Lin Tao have a good time at the party last Sunday?四、句型转换。 （Be 动词）1. Sam was a little boy at that time.（变为否定句）Sa
12、m _ _ little boy at that time.2. His friends were in the library just now.（对划线部分提问）_ _ his friends just now?3. Were they very happy yesterday?（作否定回答） No, _ _.4. Was your brother born in Chongqing?（作肯定回答） Yes, _ _.5. I could sing English songs when I was five.（变一般疑问句）_ you _ English songs when you we
13、re five?6. The boy could ride a bike last year.（变否定句） The boy _ _ a bike last year.7. They could play a game yesterday.（对划线部分提问）What _ they _ yesterday?8. Could your friends cook food last Sunday?（作肯定回答） Yes, _ _.9. They did their homework half an hour ago.（变否定句）They _ _ their homework half an hour
14、ago.10. Tom sang a song beautifully yesterday.（对划线部分提问）What _ Tom _ yesteray?11. Jim took many pictures in winter holidays.（变一般疑问句）_ Jim _ many pictures in winter holidays?12. Did the kid hurt himself just now?（做否定回答） No, _ _.13. They knew the girl in blue well?（对划线部分提问）Who _ they _ well?14. I forgo
15、t to close the door yesterday evening.（对划线部分提问）What _ you _ to do yesterday evening?现在进行时【定 义】现在（正在）进行时表示说话的瞬间正在进行或发生的事情。【结 构】主语+ be （am / is / are ）+ 动词的-ing 形式。否定句形式 ：直接在 be（ am, is, are）之后加 not，其余照抄。一般疑问句 ： 直接将 be（am, is, are）提到主语之前，其余照抄。特殊疑问句 ：首先分析划线部分的意思，确定用哪个疑问词（what, where, who, when, which,
16、whose, how, how many, how much, what shape, what colour, what doing, where going, what do）,然后再将原句变为一般疑问句形式（即将 be 动词提到主语之前，其余的不变） 。如：What time is Tom reading(read) an interesting story book?Where are they taking(take) pictures?现在进行时的时间标志短语汇总 ：now“现在” Look! Listen! “看啊！听啊！” right now“此刻” Where is? 问题的
17、回答，暗指说话的时候。前面早就阐明是现在的短文中。【练 习】一、用所给词的适当形式填空。1. My parents _（watch）TV now. 2. Look. Three boys _（run）. 3. What _ your mother _（do）now? 4. _ your dog _ now?（sleep ） 5. _ you _（listen）to music? Yes, I am. 6. Now Class 3 and Class 4_（have）a test. 7. Listen, someone _（sing ）in the classroom. 8. What _ yo
18、u _ ( do ) now?9. They _ _(not ,play) basketball now.10. Its 5 oclock now. We _ _(have)supper now11. The cats (run) in the garden now.二、句型转换。1. Look! Lily is dancing.（改为一般疑问句） _ 2. Kate is looking for her watch.（改为否定句） _ 3. Mrs White is watching TV.（对划线部分提问） _ 4. I am doing homework.（改为否定句） _ 5. They are waiting for you at the library.（就划线部分提问） _
