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1、一般现在时,教学目标,让学生学会正确的使用一般现在时 掌握当主语是单三时实义动词在一般现在时中的变化规则 能综合运用一般现在时完成任务 通过课堂互动与合作学习，增强学习兴趣，培养语言知识交际能力,自学指导:,一般现在时的定义和具体应用？ 一般现在时的表达方式是什么？ 一、系动词be的一般现在时 二、情态动词的一般现在时 三、实义（行为）动词的一 般现在时,研一研,分小组讨论总结出一般现在时表示什么意义？ 具体用法是什么？,定义及具体运用 1.表示现在的状态： e.g. Hes twelve. Shes at work. 2.表示经常或习惯性的动作，常与表示频率的时间状语连用。【 talk 】,
2、1.频度副词: sometimes(有时), often, always(总是), usually(通常), seldom, never(决不) twice a week,seldom,once a month, on Sundays,2. in the morning/afternoon/evening,3. every morning/night/evening/day/week/year, e.g. I leave home for school at 7:00 everymorning. I get up at 6:30 every day. He reads English ever
3、y morning.,学一学,3.表示主语具备的性格和能力等： e.g. She likes noodles. They speak Japanese. 4.普遍真理和自然规律： e.g. Two plus four is six. The moon goes around the earth. The earth moves around the sun. Shanghai lies in the east of China. 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。 e.g. Columbus proved that the earth is roun
4、d 5.表示格言或警句中。 e.g. Pride goes before a fall. 骄者必败。,研一研,一般现在时通过哪几项动词的变化来表示？ 它们的否定、疑问、特殊疑问又该如何表示？ 分别如何作答？,表达方法,主要通过 和 的变化来表示，常常句中加上表示时间的词语。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则是：,情态动词、,be动词、,实义（行为）动词,助动词、,Start to learn,be 动词的一般现在时 肯定句：主语+be+表语(n., adj.数词，介词短语等)表状态 I am a student. He is twelve. They are in the
5、classroom.,否定句：be +not I am not a student. He is not a thirteen. They are not in the classroom.,一般疑问句：be提前 Are you a student? Is he twelve? Are they in the classroom?,特殊疑问句： 疑问词+一般疑问句 Who are you? How old is he? Where are they?,肯定回答：Yes，主语+be,否定回答：No，主语+be+not,注意：在作疑问句的回答时，主语要用相应的代词代替,I用am；you,we ，t
6、hey 都 用are, is连着he，she，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：,Be的用法口诀（talk bout it),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. 6. His family
7、name _ Li.,is,is,is,Are,am,is,is,is,Practice and Test,四、用be动词的正确形式(is, am, are)填空， 完成句子 18. _ they from Japan? Yes, they _. 19. You _ a teacher and I _ a doctor. 20. _ Ronaldo from Brazil? Yes, he _. 21. Who _ that? This _ Kangkang. 22. _ you a student? Yes, I _. 23. Where _ Beijing? It_ in China.,A
8、re,are,are,am,Is,is,is,is,Are,am,is,is,( )1. What color _ her shoes? Black. am B. is C. are D. be ( )2. These are my pants. His _ yellow. A. is B. am C. are D. / ( )3. My family _ very big. A. am B. is C. are D. does ( )4. This pair of shoes _ mine. His are over there. A. will be B. is C. are D. be
9、( )5. My name _ Jack. Liu Ying and Sun Mei _ my friends. A. is; are B. is; is C. are; is D. is; am ( )6. What class _ your brother in? He _ in Class Two. A. does; is B. is; is C. are; / D. are; is,Bob is not on the football team.,Is Bob on the football team?,No, he isnt. (Yes, he is.),They are not i
10、n the teachers office.,Are they in the teachers office?,Yes, they are. (No, they arent.),What is Bob?,Who are in the teachers office?,二. 改写下列句子。 1. Bob is ( on the football team.) 否定句： 一般疑问句： 回答： 对括号部分提问： 2.( They are) in the teachers office. 否定句： 一般疑问句： 回答： 对括号部分提问： 3. There is (a piano )in the roo
11、m. 否定句： 一般疑问句： 回答： 对括号内容提问：,There is not a piano in the room.,Is there a piano in the room?,Yes, there is. (No, there isnt. ),What is in the room?,3. It is (sunny) today. 否定句： 一般疑问句： 回答： 对括号内容提问： 4. There is (some water) in the bottle. 否定句： 一般疑问句： 回答： 对括号内容提问：,It is not sunny today.,Is it sunny toda
12、y?,Yes, it is .(No, it isnt.),There is not any water in the bottle.,Is there any water in the bottle?,Yes, it is. (No, it isnt.),How is the weather today?,Whats the weather like today?,What is in the bottle?, 对主语提问：当主语是人时，用 “Whos + 介词短语?”；当主语是物时，用 “Whats + 介词短语?”。其中there在口语中常常省略。注意：无论原句的主语是单数还是复数，对其
13、提问时一般都用be的单数形式(回答时却要根据实际情况来决定)。如：,There is a bird in the tree. Whats in the tree? There are some bikes over there. Whats over there? There is a little girl in the room. Who is in the room?, 对地点状语提问：用 “Where is are + 主语?”表示（注意其答语变化）：,There is a computer in my office. Where is the computer? -Its in my
14、 office. There are four children in the classroom. Where are the four children? They re in the classroom.,情态动词的一般现在时,构成,主语 + 情态动词 + 动词原形+其他,She can speak English.,注意：情态动词后的动词一定要用原形,试比较：They are right. She speaks English.,学一学,They can sing English songs,情态动词否定句的构成,主语 + 情态动词 + not + 动词原形 + 其他,I can dr
15、ive the car but she cant,I cant speak English She cant drive a car.,can can not may may not must must not,Can you speak English ?,Yes，I can.,No， I cant.,肯定回答：Yes，主语+情态动词,否定回答：No，主语+情态动词+not,情态动词 + 主语 + 动词原形 + 其它部分？,注意：在回答时，主语要用相应的代词代替,情态动词疑问句的构成,She can speak English. He may be in Beijing. Where may he is? They must find it. What must they find?,情态动词的特殊疑问句的构成,特殊疑问词+情态动词 + 主语 + 动词原形 + 其它部分？,What can sh
