英语时态复习专题.ppt
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1、四种时态n一般现在时n现在进行时n一般将来时n一般过去时一、一般现在时一般现在时:1.表示事物或人物的特征、状态。表示事物或人物的特征、状态。如:The sky is blue.He is a boy. she has long hair .2.表示经常性或习惯性的动作表示经常性或习惯性的动作。如:I get up at six every day.时间状语:时间状语: often 经常, usually通常, always 总是,every每个,sometimes 有时.一般现在时的构成一般现在时的构成1. 当句子中有当句子中有be(am,is,are)动词或情态动词(如:动词或情态动词(如
2、:can)时)时:肯定句:主语+be/情态动词+其它。否定句:主语+ be/can + not +其它。一般疑问句:Be/Can+主语+其它?特殊疑问句(对划线部分提问):特殊疑问词+一般疑问句?特殊疑问词:时间when 地点:where 原因:why 人;who 方式:how 数量:how many/how much价格:how much 年龄:how old例:他例:他1212岁了。岁了。陈述句:陈述句:He is He is 12 years old.12 years old.否定句:否定句:He isnt 12 years old.He isnt 12 years old.一般疑问句:
3、一般疑问句:Is he 12 years old?Is he 12 years old?特殊疑问句:特殊疑问句:How old is he?How old is he?一般现在时的构成一般现在时的构成2.行为动词行为动词:肯定句:主语主语+行为动词行为动词(+其它其它)。否定句:主语+ dont/doesnt+do+其它。一般疑问句Do/Does+主语+其它。特殊疑问句(对划线部分提问):特殊疑问词+一般疑问句。注意:只有在主语是第三人称单数时才用动词的“单三变化”(否定句doesnt, 疑问句does),其他用动词的原形。 第三人称单数:he、she、it、人名,国名,地点名,单数名词。一般
4、现在时例:实义动词陈述句:We get up at 7:00 every morning.否定句We dont get up at 7:00 every morning.一般疑问句Do you get up at 7:00 every morning?特殊疑问句When do you get up every moring?陈述句:She has a little brother. 否定句 She doesnt have a little brother.一般疑问句 Does she have a little brother? 特殊疑问句What does she have?一般现在时n动词
5、单三的变化规律(与名词变复数规律相似)1)一般在词尾直接加s, 如:cook-cooks, come-comes, close-closes, 2)以s, x, sh, ch, o 结尾+es , 如: teach-teaches, wash-washes, miss-misses, go-goes3)辅音字母加y结尾,把y改为i ,+es, 如:fly-flies, worry-worries, carry-carries, 4) 特殊:is-are have-has, 一般现在时动词单三练习n1.go- 2.get- e- n4.put- 5.have- 6.see -n7.take- 8
6、.do- 9.read- n10.know- 11.buy- 12.say- 一般现在时n1. I am from China.否定句:一般疑问句:对划线部分提问:2. Su Yang usually washes some clothes on Saturday.否定句: 一般疑问句: 划线部分提问: 选择题n( )1.Tom is a worker. He _ in a factory. His sisters _ in a hospital. nA. work, work B. works, works C. work, works n( )2. Who _ English best i
7、n your class? nA. speak B. speaks C. speaking n( )3. Mrs. Read _ the windows once a week. nA. is cleaning B. clean C. cleans n( )4. We _ music and often _ to music. nA. like, listen B. likes, listens C. like, are listening 填空1.I _ from Australia. (be) 2.Jack and Tom _ my friends. (be) 3.Your parents
8、 _(read) newspapers every day.4.Li Lei always _ to school at 7:30.(come)5.You always _ (do) your homework well. 按要求完成句子1.Do you often play football after school? (肯定回答)2. I have many books. (改为否定句)3. Gao Shans sister likes playing table tennis (改为否定句)4. She lives in a small town near New York. (改为一般
9、疑问句)5. I watch TV every day. (改为一般疑问句) 二、现在进行时二、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。He is taking pictures.He is writing a book this year.2现在进行时的肯定句基本结构为be+动词ing. The monkey is swinging. She is cooking dinner . 3.3.现在进行时的否定句在be后加not。She is not taking pictures. He isnt climbing moutain
10、s.4现在进行时的一般疑问句把be动词调到句首。Is he reading a book? Is the rabbit running ?5现在进行时的特殊疑问的基本结构为:特殊疑问词+ be + 主语 + 动词ing? What is Tom doing?但疑问词当主语时其结构为:特殊疑问词 + be + 动词ing?Whoisdoingthedishes?动词加动词加ing的变化规则的变化规则1一般情况下,直接加ing,如:cook-cooking 2以不发音的e结尾,去e加ing,如:make-making, taste-tasting take-taking (注意动词see)3如果末
11、尾是辅音字母元音字母辅音字母,双写末尾的辅音字母,再加ing,如:run-running, stop-stopping, shop-shopping, swim-swimming Practicen1. What are you doing? I_.A. eat B. can eat C. eating D. am eatingn2. We are _ books now.A. reading B. am reading C. read D. to readn3. Our teacher is _ a red sweater .A. putting on B. put on C. wears
12、D. wearn4. That boy isnt _ the teacher .A. listen B. listens C. listening D. listening ton5. Its eight oclock. Jimmys parents _ TV.A. is watching B. are watching C. watch D. to watchn6. My mother is _ a cake _ my birthday.A. making ; to B. making ; for C. doing ; to D. doing ; forn7. They are _ thes
13、e books in the box.A. puts B. put C. to put D. puttingn8. _ you _ the window? -Yes, I am.A. Do, clean B. Is, cleaning C. Are, cleaning D. Do, cleaning欣赏儿童动画what are you going to do?Practice三、一般将来时三、一般将来时、概念: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。句中一般有以下时间状语:tomorrow, next day(week, month, year),soon, the day a
14、fter tomorrow, in the future.、基本结构:肯定句;be going to + do;Wuyifan is going to visit his father tomorrow. Amy is going to climb mountains next week.will+ do. He will go shopping this afternoon. He will go to shanghai next month .否定句:在be动词(am, is, are)后加not或情态动词will后加not成wont。Hewontgotothezoonextmonth.H
15、eisntgoingtothezoonextmonth.一般疑问句:Will you go to the park tomorrow?Are you going to the park tomorrow?、“There be”句型的一般将来时肯定句:肯定句: There will be +名词名词+其他成份其他成份注意注意:无论后面加单数名词或复数形式,:无论后面加单数名词或复数形式,be都必须用原都必须用原形。形。There will be only one country.否定句:在否定句:在will后面加后面加not.There wont be only one country.一般疑问
16、句:把一般疑问句:把will提到提到there之前。之前。Will there be only one country?Yes, there will. / No, there wont.用所给词的适当形式填空:1.There (be )an American film next week.2.They (finish)the work this afternoon.3.Tom (play) football with us tomorrow?4.Robots (do) lots of work in our homes in the future.5.There_(be)strong win
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