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1、一般现在时讲解与练习一般现在时讲解与练习 一般现在时表示经常或习惯性的动作或一般性事实。通常与副词every day，always,usually,oftensometimes等时间状语连用。 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 sun. 地球绕着太阳转。 4.表示平日的喜好。 I like bananas. We dont like vegetables. 构成：
2、1. be动词：主语+be(am,is,are)+其它。如： I am a boy.我是一个男孩。 2.行为动词：主语+行为动词(+其它)。如： We study English.我们学习英语。 当主语为第三人称单数(he, she,it)时，要在动词后加-s或-es或变“y”为“ies” 如：Mary likes Chinese.玛丽喜欢汉语。 Miss Gu teaches us English. 顾老师教我们英语。 She studies Chinese every day.她每天学习语文。 否定句、一般疑问句、特殊疑问句： 1. be动词的变化。 否定句：主语+ be + not +其
3、它。 如：He is not a worker.他不是工人。 一般疑问句：Be +主语+其它。 如：-Are you a student? -Yes. I am. / No, Im not. 特殊疑问句：疑问词+一般疑问句。如：Where is my bike? 2.行为动词的变化。 否定句：主语+ dont( doesnt ) +动词原形(+其它)。 如：I dont like bread. 当主语为第三人称单数时，要用doesnt构成否定句。 如： He doesnt often play. 一般疑问句：Do( Does ) +主语+动词原形+其它。如：- Do you often pla
4、y football? - Yes, I do. / No, I dont. 当主语为第三人称单数时，要用does构成一般疑问句。如：- Does she go to work by bike? - Yes, she does. 特殊疑问句：疑问词+一般疑问句。如：How does your father go to work? 一般现在时的动词形式 一般现在时主要由动词原形表示，但第三人称单数后的动词词尾有所变化。 第三人称单数动词词尾的变化有几种形式： 1. 一般情况 加-s reads says runs gets likes collets takes plays climbs 2.
5、以ch, sh, s, x, 或o结尾的词 加-es misses mixes watches teaches goes does washes crosses 3. 以辅音字母加y结尾的词 去y再加-ies cry cries carry carries studystudies flyflies y前若为元音则直接加s: buys says 在一般现在时中，当主语是第三人称单数时，谓语动词要用第三人称单数形式。 一、人称代词he, she, it是第三人称单数。如： He likes watching TV. 他喜欢看电视。 - 1 - She has lunch at twelve. 她
6、十二点吃午餐。 二、单个人名、地名或称呼作主语；是第三人称单数。如： Han Mei likes salad . 韩梅喜欢萨拉。 Beijing is in China. 北京在中国。 Uncle Wang often plays volleyball. 王叔叔经常打排球。 三、单数可数名词或this / that / the+单数可数名词作主语时，是第三人称单数。如： The cat is Lucys. 这只猫是露茜的。 This book is yours. 这本书是你的。 四、不定代词someone, somebody, nobody, everything, something等及指示
7、代词this, that作主语时，是第三人称单数。 Everyone is here. 大家到齐了。 There is a watch on the table. 桌上有块手表。 This is a pen. 这是一支钢笔。 That is an eraser. 五、不可数名词作主语时为第三人称单数。如： The milk is in the glass. 牛奶在玻璃杯里。 The bread is very small. 那面包很小。 巩固练习题： 一、按照要求改写句子 1This is my pencil ? (变一般疑问句) your pencil ? 2. These red sock
8、s are Kates . (变一般疑问句) socks Kates ? 3. Mary does not have any books . (变肯定句) Mary _ some books . 4. She likes the black bag very much . (变为否定句) 5. I like apples. (用she改写句子) 6. Its an English dictionary . (对画线部分提问) . 7. He has hamburger and apples for dinner . (变一般疑问句) 二、用Be动词填空。 1. _ you Li Fen ? N
9、o, not . 2. _ Mr. Green very busy? Yes , he . 3. This book very interesting. 4. What class you in ? 5. You and I good friends. 6. The basketball club fun . 三用所给动词的适当形式填空。 1. Lin Tao (like) his bike . 2. Lets (have) ice cream . 3. Lets (play) tennis ! 4. He (like) English. 四、 写出下列动词的第三人称单数形式。 have li
10、ke drink _ go _ stay _ make _ look _ have_ come_ watch_ plant_ fly _ do_ study_ teach_ - 2 - 五、用括号内动词的适当形式填空。 1. He often _(have) dinner at home. 2. Daniel and Tommy _(be) in Class One. 3. We _ _(not watch) TV on Monday. 4. Nick _ _(not go) to the zoo on Sunday. 5. _ they _(like) pears? 6. _ your pa
11、rents _(have) eggs every day? 7. There _(be) some water in the bottle. 8. Mike _(like) cooking. 9. They _(have) the same hobby. 10. Liu Tao _ _(do) not like PE. 11. This boy often _(watch) TV in the evening. 六、按照要求改写句子 1. Daniel watches TV every evening. (改为否定句) _ 2. I do my homework every day. (改为否
12、定句) _ 3. She likes milk. (改为一般疑问句，作肯定回答) _ 4. Amy likes playing computer games.(改为一般疑问句，作否定回答) _ 5. We go to school every morning.(改为否定句) _ 6. John comes from Canada.(对划线部分提问) _ 7. She is a good student.(改为一般疑问句，作否定回答) _ 8. Simon and Daniel like play sports .(改为否定句) _ 七、改错(划出错误的地方，将正确的写在横线上) 1. Is y
13、our brother speak English? _ 2. Does he likes going fishing? _ 3. He likes play games after class. _ 4. Mr. Wu teachs us English. _ 5. She dont do her homework on Sundays. _ 六改句子 1. Do you often play football after school? (肯定回答) 2. I have many books. 3. Gao Shans sister likes playing table tennis 4. I watch TV every day. - 3 -
