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1、2021,1,一般现在时,定义: 一般现在时；表示通常性，规律性，习惯性的状态或者动作（有时间规律发生的大事）的一种时间状态,2021,2,具体运用,1.表示常常的或习惯性的动作，常与表示频率的时间状语连用； 时间状语： always, usually, every morning/night/evening/day/week/year,often,sometimes, twice a week,seldom,once a month, on Sundays e.g. I leave home for school at 7:00 every morning. I get up at six
2、in the morning.,2021,3,2.表示客观事实和普遍真理； e.g The earth moves around the sun. Shanghai lies in the east of China. 3表示格言或警句中； e.g Pride goes before a fall.骄者必败； 留意：此用法假如显现在宾语从句中，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.,2021,4,表达方法,主要通过谓语动词的变化和用时间词语来表示，其中最主要的是谓语动词的变化；一般现在时动词变化的规章是
3、：,2021,5,1.假如主语是名词复数和第一人称I， we ，谓语动词不用做任何变化，即仍然用动词原形表示： 确定句 主语+动词原形+其他 否定句 主语+dont+动词原形+其他 一般疑问句 Do+主语+动词原形+其他 例 1) We usually go to school at 7:30. 我们通常7:30上学去；go 2) My parents give ten yuan to my sister every week. 我父母每星期给我妹妹十元钱；,2021,6,2.主语是任何一个单数名词或者是第三人称单数，谓语动词要进行必要的变化；特殊提一点：不行数名词也算作单数处理； 确定句:
4、主语+动词的第三人称单数+其他 否定句: 主语+doesnt+动词原形+其他 一般疑问句 : Does+主语+动词原形+其他 确定回答: Yes，主语+does 否定回答: No，主语+doesnt 特殊疑问句: 特殊疑问词+一般疑问句,2021,7,1，一般动词，在词尾加 s ; 如： work-works, live-lives, play-plays, sing- sings. eg: She lives in Ningbo. 她住在宁波； 2，以/s/ /z/ 等音素结尾的动词，词尾加 -es ，如词尾为e， 只加-s. 读作 /iz /如： teach- teaches, wash-
5、 washes. eg: My mother washes the coat.我母亲洗了外套；,行为动词do一般现在时第三人称单（he,she,it) 的构成规章：,动词变化规律,2021,8,3.以辅音字母加Y 结尾的词，把Y变I 在加ES，读作Z,Study fly,studies,flied,4.以辅音字母+O结尾的词，一般情形是在词尾加es 读作Z,go do,goes,does,5.特殊情形：,have has,2021,9,EX2 1.Tom often_( get ) up at six in the morning 2. The earth _( go) around the
6、sun . 3.Marys parent _(live ) in Beijing . 4. She _ (draw) very well.,Ex1. 写出以下词的单三形式： look; go; give; fly; have,looks; goes; gives; flies; has,gets,goes,lives,draws,2021,10,II 一般现在时的否定式,1.Be 动词的否定式: be + not,I am a teacher. You are a worker She is a doctor We are friends.,Im not a teacher You arent
7、 a worker She isnt a doctor. We arent friends.,is not=isnt are not=arent,否定句,2021,11,否定句型,1.谓语动词或助动词是 be，have或者情态动词can/may/must 等，在将助动词后加not. I am not at college. Mr. Wang isnt 50 years old. The Jacksons doesnt have two sons. You may not go now.,2021,12,2.谓语动词是实义动词，是在谓语动词前加do not 或does not，谓语动词改用动词原
8、型； I dont have lunch at home. They dont play basketball on the sportsground. Mr.Jimmy doesnt know French.,2021,13,Ex1. 将以下各句从确定式改为否定式,I talk to Peter because I like him. Kate comes from America. Kate works with Peter I am Chinese, and I am a student. They know each other.,I dont talk to Peter becaus
9、e I dont like him.,Kate doesnt come from America.Kate doesnt work with Peter.,I am not Chinese, and I am not a student,They dont know each other.,2021,14,疑问句型,1.对于谓语动词或助动词是 be，have，can/may/must 等，将这些词移到主语前面； Are you students？ Yes, we are. / No, we arent. Is Jane in the classroom. Yes, he is. / No, h
10、e isnt. Does the house have two rooms. Yes,it does / No, it doesnt. Is there any water in the glass. Yes, there is. / No, there isnt. Can you swim. Yes, I can. / No, I cant.,2021,15,2.谓语动词是实义动词，方法是在主语前加助动词do或does构成，句中动词要改用原型动词；do用于第一人称和名词复数，does用于第三人称单数和名词单数或不行数名词； Do you know it？ Yes, I do. / No, I
11、 dont. Does she have a pen？ Yes, she does. / No, she hasnt.have 这里是实义动词 Do they play basketball after school. Yes, they do. / No, they dont.,2021,16,概念：用 yes 或 no 来回答的疑问句叫做一般疑问句；,III一般疑问句,I am a teacher. You are a worker. He is a student. We are friends.,1.对于BE 动词，疑问句要求把BE 提前，第一人称的单数和复数（I/WE），第一变成其次
12、人称；,疑问句,Are you a teacher. Are you a worker. Is he a student. Are you friends.,2021,17,2.对于实意动词，疑问句要求是：当主语是他(he)，她(she)，它(it)时，句子前面加DOES，并把动词复原原形；当主语是其他人称时，句前加DO ，第一人(I/we) 称换其次人称(you)；,I often go there. You like the music. He goes to work by bus . We /You/They like it.,Do you often go there . Do yo
13、u like the music. Does he go to work by bus . Do you/they like it.,2021,18,Ex1.请做练习,1.Her parents live in Shanghai . 否: Her parents_ in Shanghai. 疑： _ her parents_ in Shanghai. 2.You study English . 否： You study English . 疑： you study English . 3. How often Tom football. A.is ,play B. do,play C. doe
14、s, play D.does,plays,dont live,Do,live,Dont,Do,C,2021,19,请把以下句子变成否定句和疑问句；,The sun rises in the east. 2.Tom gets up at six in the morning.,The sun doesnt rise in the east. Does the sun rise in the east.,Tom doesnt get up at six in the morning. Does Tom get up at six in the morning.,2021,20,3. They li
15、ve in Shanhai. 4. I am a student.,They dont live in Shanhai. Do they live in Shanhai.,I am not a student. Are you a student.,2021,21,. 特殊疑问句,特殊疑问句在考试中涉及的比较多，主要以选择和转换句型为主，第一要把握一些常用疑问词的意思如：what（什么）,when, what time（什么时间）, who（谁）, where（在哪里）, why（为什么）, how（怎样）, how many+可数名词的复数（多少）， how long（多长时间）, how
16、often（多久一次） 等，其次把握它的语序，即就是特殊疑问词+一般疑问句语序（Who）除外,2021,22,一，疑问词+ 一般疑问句句序： Where are you from. Im from the north. What do you want. I want the books on your desk.,特殊疑问句的语序,2021,23,二，与陈述句的语序同： （疑问词作主语或修饰主语) Who gives you the present. Mr. Wang gives me the present. What is in the box. Which is mine. Whose book is on the desk.,2021,24,Tom goes to school every day by bike. 1.就Tom 提问 2.就goes to school提问 3.就by bike提问,Ex.请做练习；,1.Who goes to school every day by bike.,2.What does Tom do every day by bike .,3
