一般现在时,18春高考班,1. 能讲出一般现在时的基本概念和常用的程度副词（ always, usually, often, sometimes）。 2. 能写出一般现在时行为动词的第三人称单数形式的 变化。 3. 能写出一般现在时be动词和行为动词在句中变化。,我们的学习目标：,一般现在时的基本概念： 1.表示现在的状态： Hes twelve. I am a student. 2.表经常或习惯性的动作：常与always, usually, often, sometimes连用。 I always get up at 6:30 . He often reads English in the morning. 3.表示客观真理和事实 The weather is cold in winter. He does his homework every day.,一、Be 动词的一般现在时,I a teacher.,am,He a boy.,is,They students.,are,1、表示客观真理或事实,I am a teacher. He is a boy. They are students.,travels,moves,1、Light _(travel)faster than sound. 2、The earth _(move) around the sun.,1、 be 动词一般现在时的句式结构 肯定句： I am a student. He is twelve. They are in the classroom.,否定句： I am not a student. He is not a thirteen. They are not in the classroom.,is not=isnt,are not=arent,一般疑问句： Are you a student? Is he twelve? Are they in the classroom?,肯定回答：Yes, 主语+be,否定回答：No, 主语+be not,特殊疑问句： 疑问词+一般疑问句 Who are you? How old is he? Where are they?,我用am，你用are，is连着他（he），她（she），它（it）; 单数名词用is， 复数名词全用are； 变疑问，往前提，句末问号莫丢弃。 变否定，更容易，be后not莫忘记。 疑问否定任你变，句首大写莫迟疑。,总结一下：,一、用be动词的适当形式填空 Amy _ her sister. 2. His name _ Kate. 3. -What _ your phone number? -It _284-2942. 4. - _ you Cara? - No, I _ Gina. 5. Her brothers name _ John.,is,is,is,Are,am,is,is,Practice and Test,二、实义动词的一般现在时,频率副词,The girl often apples.,These two boys usually apples.,eats,eat,说说看看,That boy always TV.,Tim and his mother sometimes TV.,watches,watch,The girl often eats apples.,These two boys usually eat apples.,That boy always watches TV.,Tim and his mother sometimes watch TV.,动词三单形式,eats, watches,2、现在经常性的动作或状态,1.如果主语是 和 动词不用做任何变化，即仍然用动词原形表示：,名词复数,第一人称,例 1) We usually go to school at 7:30. 我们通常7:30上学去。 2) My parents give ten yuan to my sister every week. 我父母每星期给我妹妹十元钱。,否定句: 主语+dont+动词原形+其他,1. My parents give ten yuan to my sister every week. (改为否定句),My parents dont give ten yuan to my sister every week.,2. We usually go to school by bus.(改为否定句),We usually dont go to school by bus.,一般疑问句: Do+主语+动词原形+其他,1. My parents give ten yuan to my sister every week. (改为一般疑问句并作肯定回答),Do your parents give ten yuan to my sister every week?,Yes, they do.,2. We usually go to school at 7:30.(改为一般疑问句并作否定回答),Do you usually go to school at 7:30?,No, they dont.,2.主语是 时，谓语动词要进行必要的变化。 肯定句:主语+动词三单+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 肯定回答: 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,必要的，什么是第三人称单数呢？,第三人称单数,1.人称代词he, she, it是第三人称单数 1).He likes watching TV. 他喜欢看电视. 2).She has lunch at twelve. 他十二点吃午餐. 3). It looks like a cat. 它看起来象只猫.,2. 单个人名.地名或称呼作主语时, 是第三人称单数形式. 1).Han Mei watches TV with her mother. 韩梅和她的母亲看电视. 2).Beijing is the capital of China. 北京是中国的首都.,三、动词变三单变化规则,动词的第三人称单数形式,1.一般情况 词尾加-s ： work-works play-plays rain-rains see-sees 2.以ch,sh,s,x,o结尾的词加-es： wash-washes teach-teaches fix-fixes do-does go-goes 3.以辅音字母+y 结尾的词 变y为i,再加-es: study-studies fly-flies carry-carries,一、写出下列动词的第三人称单数形式 1. work_ read_ 2.clean_ write_ 3. teach_ wash_ 4.guess_ watch_ 5 go_ do_ 6. study_ fly_ 7.cry_ play_ 8. have_,一、写出下列动词的第三人称单数形式 1. work works read reads 2. clean cleans write writes 3. teach teaches wash washes 4. guess guesses watch watches 5 go goes do does 6. study studies fly flies 7.cry cries play plays 8. have has,Summary（小结） 一般现在时顺口溜 第一、二人称和复数，动词原形不变换。 当主语是三单时，动词后加s(es)别忘怀。 要变一般疑问句，be动词提前很容易。 若是没有be动词，Do和Does开头要注意。 否定句，很简单，not 在be 动词后面站。 若是没有be动词，do, does加not 要牢记。,一般现在时综合练习,Practice makes perfect! 孰能生巧,1._ you have a book ? A Do B. Are C. Is D. Have 2.Does Li Lei like to watch TV? _. A. Yes, he like. B. No, he doesnt . C. Yes, hed like. D. No, he likes. 3.She doesnt _ her homework in the afternoon. A. doing B. to do C. does D. do 4.How _ Mr. Smith _ to England? A. do, go B. is , go C. does, go D. does , goes,5. _ she _ home at six every day? A. Is , leave B. Does , leave C. Is , leaves D. Does , left 6. I want_homework now. A .doing B. to do C.to do my D.do my 7. Its time_. A.go to school B.play games C.to go home D.to do my homeworks 8-_you _the blackboard? -Yes,I can. A.Can, clean B.Am, cleaning C.Are, cleaning D.Do, clean,1. We often _ (play) in the playground. 2. He _ (get) up at six oclock. 3. _ you _ (brush) your teeth every morning? 4. What _he usually_ (do) after school?,play,gets,Do,brush,does,do,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. 8. _ Mike _(read) English every day?,studies,goes,watches,Does,read,9. How