一般现在时讲解

1、一般现在时 一般现在 时表示经常发生的 动作或存在的状态，常与表示频率的时间状语连用。always 总是；usually 通常；often经常；sometimes有时候；never从不 1>一般现在时的构成形式1. 当句子中的谓语动词为BE时，有三种不同的变化形式。单 数复 数第一人称I am.we are.第二人称you are.you are.第三人称he/she/it is.they are.BE的句型结构： 肯定句：主语 + am/is/are +. 她来自美国 _ 否定句:主语 + am/is/are + not +. 他今天没在家_ 疑问句：am/is/are +主语 +.?

2、 这本书是你的吗？_BE的缩略形式： BE与主语缩写： I am = I'm he is = he's she is = she's it is = it's we are = we're you are = you're they are = they're BE与not缩写: is not = isn't are not = aren't注意： a.在肯定的简略答语中，一般不用缩写。 如： Are you ten? -Yes,I am. b. this 不能与is缩写。 如：这是个超市。_ c. am不能与not缩写。

3、 我不是十一岁。_ 2.当句子中的谓语动词是行为动词时，一般现在时用动词原形或时第三人称单数形式，· 肯定句：主语+V/V(E)S+其他 如： 我喜欢土豆。_ 丽丽喜欢打篮球。_· 否定句：主语+do/does+not+V+其他 如：我们不喜欢吃西红柿。_ 他不喜欢画画。_· 一般疑问句：do/does+主语+V+其他 ? 如：你经常去电影院吗？_ 是的，我经常去。 _ 你的妈妈喜欢购物吗？_ 不，她不喜欢。_· 答语：Yes, 主语+do/does. No,主语+do/does not.· 特殊疑问句：疑问句+do/does+主语+V+其他如

4、：你喜欢喝什么？_ 汤姆喜欢做什么？_注意：当主语位单数第三人称，动词一般现在时使用第三人称单数形式，动词变单数第三人称的规则如下： a. 直接在动词结尾+S help-helps play-plays write-writes b. 以-s,-x,-ch,-sh,-o等结尾的 ，在词尾+es guess-guesses watch-watches go-goes c. 以辅音字母+Y结尾的，变Y为i+es carry-carries study-studies fly-flies 3.一般现在时的标志： 常有提示词：often, usually, sometimes, every day/w

5、eek, on Sunday, in the morning/afternoon/evening等。 如：On sunday many people go to church. 星期天有许多人去做礼拜。 4.一般现在时的主要用法： A.表示经常性，习惯性的动作。他经常下午去踢足球。_ 我们通常下午六点钟会面_ B.表示现在主语所处的状态。 我们很忙。_ 我们现在有空_ C.表示主语所具备的性格和能力。 罗不特歌唱的很好。_ 他汉语讲的很好_ D.表示客观事实，普遍真理或格言 我12岁_ 他们来自加拿大_ 太阳从东方升起_Where there's a will, there's

6、 a way. _ 专项练习： 1. Jenny is a nurse and _ in Town Hospital. A. works B. to work C. is working D. work 2. John _ to bed early but his brother doesn't. A.goes B. go C. is going D. going 3. it's nearly six o'clock. Let's _ home. A. to go B. go C. going D. goes 4. How about _ for a picni

7、c tomorrow. A. to go B. go C. going D. goes 5. When you leave the room, you must _. A. turn on the light B. to turn on the light C. turn off the light D. to turn off the light 6. Listen! Jim _English in the room. A. is reading B. reads C. read D. to read用动词的正确形式填空。 1. We often _ (play) in the playgr

8、ound. 2. He _(get)up at 6 oclock. 3. _ you _ (brush)your teeth every morning? 4. What _ (do) he usually _ (do) after school? 5. Danny _ (study) English,Chinese,Maths,Science and Art at school. 6. Mike sometimes _(go) to the park with his sister. 7. At eight at night, she _(watch) TV with his parents

9、. 8. _ Mike _(read) English everyday? 9. How many lessons _ your classmate _ (have) on Momday? 10. What time _ his mother _(do) the housework? 句型转换 1. My father reads China Daily every day.(改为否定句） _2. We enjoy swimming. 一般疑问句_肯定回答 _否定回答_3. They watch TV every evening.（对划线部分提问） _4. Do you often play

10、football after school?肯定回答_5. I have many books.改为否定句_6. Lilys sister likes playing table tennis.改为否定句_7. She lives in a small town near New York.一般疑问句_肯定回答 _否定回答_8. I watch TV everyday.一般疑问句_-肯定回答 _否定回答_9. David has got a goal.一般疑问句_肯定回答 _否定回答_-10. We have four lessons.否定句_11. Nancy doesnt run fast.肯定句_12. My dog runs fast.否定句 _一般疑问句_肯定回答 _否定回答_13. Mike has two letters for him.否定句 _ 一般疑问句_ 肯定回答_ 否定回答_14. I usually play football on Friday afternoon.否定句 _一般疑问句 _肯定回答_否定回答_划线部分提问_15. Su Yang usually washes some clothes on