《一般现在时及习题.doc》由会员分享,可在线阅读,更多相关《一般现在时及习题.doc(6页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、如有侵权,请联系网站删除,仅供学习与交流一般现在时及习题【精品文档】第 6 页一、一般现在时构成: (一)一般用动词的原形表示 (二)主语是第三人称单数,动词原形变为三单。一般的动词词尾+S。以sh/ch/s/x结尾的词+es.以辅音字母Y结尾的把Y变成i再+es。辅音字母+o结尾的+es。二、一般现在时的用法: (一) 经常性或习惯性的动作,常与表示频度的时间状语连用(1)表示频度的副词或词组always ,often, usually, sometimes,once a year,on Sunday等 。(2)every day, in the morning, every year等时间
2、状语I leave home for school at 7 every morning. 我每天早上7点去上学。(二) 客观真理,客观存在,科学事实。The earth moves around the sun. 地球绕着太阳。Shanghai lies in the east of China. 上海位于中国的东部。(三)表示格言或警句中。Pride goes before a fall. 骄者必败。注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。例:Columbus proved that the earth is round.(四)4) 现在时刻的状态、能
3、力、性格、个性。Xiao Wang writes good English but does not speak well.小王的英语书面表达能力比口语好。比较:Now I put the sugar in the cup.三、一般现在时的构成主要有四种形式:(一)be型:句子的谓语动词只有be(am,is或are): 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。 1、I am a student.(主语+be+名词) 2、They are hungry.(主语+be+形容词) 3、He is out.(主语+be+副词) 4、That pe
4、n is mine.(主语+be+代词) 5、I am fifteen.(主语+be动词+数词) 6、The bike is under the tree.(主语+be动词+介词短语)其中还有如下几种句型: 1、肯定句,只出现be,如: I am a student.我是一名学生。2、否定句,要在be后面加not,如: She isnt a teacher.她不是教师。3、一般疑问句,要将be放在句子开头(注意句首字母大写),句尾用问号,答语用Yes,主语+be.或No,主语+be+not.如: Are you ready?(你准备好了吗?) Yes,I am. No,Im not.(二)行为
5、动词:句中的谓语动词为实义动词1、肯定句,只出现实义动词,如: I get up in the morning.我早晨起床。2、否定句中,要在实义动词前面加do(does)+not,do(does)作助动词,本身无意义,常与not缩写成dont(doesnt),如: I dont like vegetables.我不喜欢蔬菜。3、一般疑问句,要在句子开头加助动词Do(does),句尾用问号,简略答语用Yes,主语+do(does).或No,主语+do(does)+not.如: Do you like oranges?你喜欢桔子吗? Yes,I do. No,I dont.(三)there be
6、型 there be型句子表示“存在”,其构成为“there be+主语+其他”,表示客观事实。用法遵循“就近原则”,即主语是单数或并列主语中的第一个主语是单数,则用there is;主语是复数或并列主语中的第一个主语是复数,则用there are。如: 1、There is an eraser on the teachers desk.(主语an eraser是单数) 2、There is an orange,five apples and eight bananas in the bag.(并列主语中的第一个主语an orange是单数)(四)情态动词型 情态动词型句子的构成为“主语+情态
7、动词+动词原形”,情态动词和动词原形一起构成谓语,表示说话人对所叙述的动作或状态的看法。如: 1、He can speak a little English.(can+speak) 2、May I have a book, please?(may+have)四、一般现在时的变化 (一)否定形式: 1、句子中有be动词(is, am、are)或情态动词(can、may、need、will),在be动词或情态动词后面加上not。 2、如果句子中没有be动词或情态动词,那么根据主语在后面加入dont(非三单)或doesnt(第三人称单数)。(二)一般疑问句: 1、句子中有be动词或情态动词,将be动
8、词或情态动词提前,放到主语前面。注意句中第一人称要改成第二人称。 2、如果句子中没有be动词或情态动词,那么根据主语判断加入do(非三单)或does(第三人称单数)。注意句中第一人称改成第二人称。(三)特殊疑问句: 1、首先分析划线部分的意思,确定用哪个疑问词(what, where, who, when, which, whose, how, how many, how much, what shape, what colour, what doing, where going, what do) 2、句子中有be动词或情态动词,将be动词或情态动词放到疑问词的后面和主语的前面。 3、如果句
9、子中没有be动词或情态动词,那么根据主语判断加入do(非三单)或does(第三人称单数)。注意句中第一人称要改成第二人称。五、习题一填空1. We often_(play) in the playgound.2. He _(get) up at six 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 an school.6. Mike someti
10、mes _(go) to the park with his sister.7. At eight at night, she _(watch) TV with his parents.8. _ Mike_(read) English every day?9. How many lessons_your classmate_(have) on Monday?10. What time_his mother_(do) the housework?二、改句子1. Do you often play football after school? (肯定回答)2. I have many books.
11、 (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. (改为一般疑问句)5. I watch TV every day. (改为一般疑问句)6. David has got a goal. (改为一般疑问句)7. We have four lessons.(否定句)8. Nancy doesnt run fast (肯定句)9. My dog runs fast. 否定句:一般疑问句:10. Mike has two letters fo
12、r him.一般疑问句:否定句:11. I usually play football on Friday afternoon.否定句: 一般疑问句: 划线提问12. Su Yang usually washes some clothes on Saturday.否定句: 一般疑问句: 划线提问:13. Mingming usually waters the flowers every day否定句: 般疑问句: 划线提问14. Tom does his homework at home.否定句: 一般疑问句: 划线提问一般现在时练习题答案一、填空1.plays2.gets 3.do brus
13、h4.does do5.studies6.goes7.watches8.does read9.does have10.does do11.do have二、改句子:Yes,I doI dont have many books.Gan shans sisters doesnt like play table tennis.She doesnt live in a small village Near New york.Do you watch TV every day?Has David got a boat?We dont have four lesons.Nanry runs fast.My dog doesnt run fastDoes your dog run fast?Does Mike have two letters for him?Mike doesnt have two letters for him.I usually dont play football on Friday afternooon.Do you ususally play football on Friday afternoon?Hat do you usually do on Friday afternoon.