第四章 第二节 一般现在时

1、第四章第四章 动词和时态动词和时态第二节第二节 一般现在时一般现在时 第一页，编辑于星期一：二十点 五十九分。知识梳理知识梳理一、一般现在时的用法一般现在时表示经常性、规律性或习惯性的动作或状态。含有always, often, usually, sometimes, seldom, never, every+时间词等时间状语的句子要用一般现在时。如果句子中的主语是第一、第二人称或其他复数形式的名词,动词用原形；如果主语是第三人称单数形式或其他表示单数概念的名词,动词用第三人称单数形式。 如：We finish our homework on time at home every day. H

2、e always goes to school at about 7:00 in the morning.第二页，编辑于星期一：二十点 五十九分。二、动词第三人称单数形式的变化规那么1. 一般情况下,直接在动词词尾加s。如：readreads,playplays 2. 以s, x, o, sh, ch结尾的动词,在词尾加es。如：gogoes,washwashes 3. 以辅音字母加y结尾的动词,把y改为i再加es。如：studystudies,flyflies 4. 特殊形式：havehas,beis第三页，编辑于星期一：二十点 五十九分。三、一般现在时的句型结构1. 含有be 动词的句子

3、(1)肯定句： 主语+be 动词+其他. 如：Im 14 years old this year. (2)否认句：主语+be动词+not+其他. 如：I am not in Grade 4 this year. (3)一般疑问句：Be+主语+其他？ 如： Are you from America? 第四页，编辑于星期一：二十点 五十九分。 2. 含有第三人称单数形式实义动词的句子 (1)肯定句： 主语+实义动词的三单形式+其他. 如：Mike plays computer games every Saturday afternoon. (2)否认句：主语+does not(doesnt)+实义

4、动词原形+其他. 如：Mike doesnt play computer games every Saturday afternoon. (3)一般疑问句：Does+主语+实义动词原形+其他？ 如：Does Mike play computer games every Saturday afternoon?第五页，编辑于星期一：二十点 五十九分。 3. 含有原形实义动词的句子 (1)肯定句：主语+ 实义动词原形+其他. 如：We study in No.1 Primary School. (2)否认句：主语+do not(dont)+实义动词原形+其他. 如：We do not (dont)s

5、tudy in No.1 Primary School. (3)一般疑问句：Do+主语+实义动词原形+其他？ 如： Do you study in No.1 Primary School? 第六页，编辑于星期一：二十点 五十九分。考点精析考点精析考点考点1 考查一般现在时的动词形式考查一般现在时的动词形式【例1】用所给动词的适当形式填空。1. He _ (get) up at 7 oclock every day. 2. What time _ he _ his homework?(do) 3. The sun _(go) down to the west.第七页，编辑于星期一：二十点 五十九

6、分。解析:此题考查正确填写动词的形式。在做这类题的时候,要先判断句子的时态。第1、2小题分别表达经常性和习惯性,应该用一般现在时,而he是第三人称,故动词要用三单形式,助动词用does; 第3小题太阳西下是自然规律,用一般现在时。 答案：1. gets 2. does； do 3. goes第八页，编辑于星期一：二十点 五十九分。举一反三1. 写出以下动词的第三人称单数形式。 (1) become _ (2) shine _ (3) fly _ (4) teach _ (5) study _ (6) have _ 2. 用所给单词的适当形式填空。 (1) He often _(have) di

7、nner at home. (2) The boy always _(teach) his sister maths after dinner. (3) We _(not watch) TV on Mondays. (4) Mike and his father sometimes _(read) newspapers together. (5) Jack _(not ride) a bike to school on Fridays. becomesshinesfliesteachesstudieshashasteachesdont watchreaddoesnt ride第九页，编辑于星期

8、一：二十点 五十九分。考点考点2 考查有关一般现在时句子的句型转换考查有关一般现在时句子的句型转换【例【例2】按要求改写以下句子。】按要求改写以下句子。1. Lucy and Lily usually go home together. (改为否认改为否认句句)_2. Mike often reads English in the morning. (改为一般疑改为一般疑问句问句) _3We go swimming in summer. (就画线局部提问就画线局部提问)_第十页，编辑于星期一：二十点 五十九分。 解析解析:此题三个句子都是一般现在时此题三个句子都是一般现在时,在变否认句或一般在

9、变否认句或一般疑问句的时候疑问句的时候,我们要考虑借助助动词我们要考虑借助助动词do或或does。第。第1 小题小题主语主语Lucy and Lily 是复数名词是复数名词,否认句加否认句加 dont, 要注意的是要注意的是usually在否认句中要置于助动词之后在否认句中要置于助动词之后,实义动词之前实义动词之前,或者也或者也可以用否认词可以用否认词never 来整句改写；第来整句改写；第2小题小题Mike是第三人称是第三人称的主语的主语,要用要用Does开头开头,其后的动词要用原形；第其后的动词要用原形；第3小题中的小题中的go swimming是动词词组是动词词组,也就是也就是“做什么的

10、问题做什么的问题,用用“What do的形式提问的形式提问,同时注意同时注意we 要改成要改成 you。 答案：答案：1. Lucy and Lily dont usually go home together. / Lucy and Lily never go home together. 2Does Mike often read English in the morning? 3. What do you do in summer? 第十一页，编辑于星期一：二十点 五十九分。举一反三 按要求改写以下句子。 1. Do you like playing basketball? (作肯定答复

11、) _ 2. My brother has many books. (改为否认句) _ 3. He lives in the village near the mountain. (改为一般疑问句) _ 4. Nancy comes from the USA. (就画线局部提问) _Yes, I do.Where does Nancy come from？Does he live in the village near the mountain？My brother doesnt have many books.第十二页，编辑于星期一：二十点 五十九分。过关检测过关检测一、写出以下动词的第三人

12、称单数形式。1. sit _ 2. swim _ 3. go _4. make _ 5. run _ 6. write _7. cry _ 8. study _ 9. watch _10. wash _ 11. say _ 12. play _sitsswimsgoesmakesrunswritescriesstudieswatcheswashessaysplays第十三页，编辑于星期一：二十点 五十九分。二、单项填空。( )1. He _ to school from Monday to Friday. A. go B. goes C. going( )2. The earth _ arou

13、nd the sun. A. moving B.moves C. moved( )3. Miss Li _ music. A. teaches our B. teaches us C. teach our( )4. _ Linda _ back at seven every day? A. Is；coming B. Does；comes C. Does；comeBBBC第十四页，编辑于星期一：二十点 五十九分。( )5. Lily doesnt _ a music lesson in the afternoon. A. have B. has C. having( )6. Both Tony

14、and Peter _ in Class One. A. is B. do C. are ( )7. What _ your mother often _ on Sundays? A. is; doing B. does; do C. do; does ( )8. I _ apples and she _ pears. A. like; like B. like; likes C. likes; likesACBB第十五页，编辑于星期一：二十点 五十九分。三、用所给单词的适当形式填空。 1. My father _(be) at home today. 2. Jane and Joe _(be

15、) students. They _(be) in the park now. 3. _(be) you a bus driver? 4. We often _(play) on the playground. 5. He _(get) up at six oclock every day. 6. _(do) you _(brush) your teeth every morning? isareareAreplaygetsDobrush第十六页，编辑于星期一：二十点 五十九分。 7. What _ he usually _ after school? (do) 8. Danny _(stud

16、y) English, Chinese, maths, science and art at school. 9. Mike sometimes _(go) to the park with his sister. doesdostudiesgoes第十七页，编辑于星期一：二十点 五十九分。 10. _ (do) Mike _(read) English every day? 11. How many lessons _ (do) your classmates _ (have)on Monday? 12. What time _ his mother _ the housework?(do)

17、Doesreaddohavedoesdo第十八页，编辑于星期一：二十点 五十九分。四、按要求改写以下句子。 1. Do you often play football after school? (作肯定答复) _ 2. I have some books. (改为否认句) _ 3. Alices sister likes playing table tennis. (改为否认句) _Yes, I / we do.I dont have any books.Alices sister doesnt like playing table tennis.第十九页，编辑于星期一：二十点 五十九分。

18、4. I watch TV every day. (改为一般疑问句) _ 5. My uncle lives in Shanghai now. (改为一般疑问句) _ 6. Tom does his homework at home. (改为否认句) _ 7. I usually play football on Friday afternoons. (就画线局部提问) _Do you watch TV every day?Does your uncle live in Shanghai now?Tom doesnt do his homework at home.What do you (usually) do on Friday afternoons?第二十页，编辑于星期一：二十点 五十九分。五、根据答句写出问句。 1._ I can wash the clothes. 2._ I often clean the room at home. 3._ Yes, she often goes sh