初中英语-一般现在时-语法专题讲解课件

1、2020.9.10 一般现在时Simple present tense ”12020.9.10 一般现在时”1He is Albert Einstein. He is a great Scientist.“ I like doing experiments and I read books and do experiments every day .” “Between genius and deligence, I do not hestitate to choose the latter.2He is Albert Einstein. He is a特殊考点 一般现在时 定义结构时间标志词

2、句型转换Contents: Simple present tense3特殊考点 一般现在时 定义结构时间标志词句型转换ContenWho is she ?She likes travelling on weekdays.She often teaches English on Sundays.Students like her class very much.Students think she is a good teacher. Guess4Who is she ?She likes travelli一、定义（Definition)A: 表示经常性或习惯性的动作或存在的状态。B: 表示客观

3、事实或普遍真理。She likes travelling on weekdays.She often teaches English on Sundays.Students like her class very much.Students think she is a good teacher. 一般现在时 5一、定义（Definition)A: 表示经常性或习惯性的动二、结构（Structure)A: 主语 + do（原形）/does（动词三单） + 其他B: 主语 + be (am, is, are) + 其他She likes travelling on weekdays.She of

4、ten teaches English on Sundays.Students like her class very much.Students think she is a good teacher.Failure is the mother of success. 一般现在时 6二、结构（Structure)A: 主语 + do（原形）/动词三单的变化stop makeread playmiss fixteach washgo do study worryhave stops makesreads playsmisses fixesteaches washesgoes doesstudi

5、es worrieshas一般动词后直接加-s以ch, sh, s, o, x结尾的动词， 在词尾加-es以辅音字母加y结尾的动词， 把y改i加-es特殊变化7动词三单的变化stop always often usually sometimes every day never on Sundays once a day 一般现在时 三、时间标志词8always often 课上小练习1. My father often _ to work by bus.A. go B. goes C. went D. is going2. I often _ my parents at weekends.A.

6、 visit B. visited C. will visit D. have visited BA9 课上小练习1. My father often _四、句型转换-改为否定句TF boys like singing very much.改: TF boys dont like singing very much.主语 + dont + do(动原) + 其他.My sister likes TF boys very much.改: My sister doesnt like TF boys very much.主语(三单) + doesnt + do(动原) + 其他.TF boys ar

7、e popular in China.改: TF boys arent very popular in China.主语 + be (am, is, are)not + 其他.10四、句型转换-改为否定句TF boys like si1. He is a good boy. （变为否定句） He _ a good boy.2. He likes reading English news every morning. He _ _ reading English news every morning. 课上小练习isntdoesntlike111. He is a good boy. （变为否定

8、句） 四、句型转换-改为一般疑问句TF boys like singing very much.改: Do TF boys like singing very much?Do + 主语 + do(动原) + 其他?My sister likes TF boys very much.改: Does your sister like TF boys very much?Does+主语(三单) + do(动原) + 其他? TF boys are popular in China.改: Are TF boys very popular in China?Be(Am, Is, Are) + 主 +其他

9、？Yes, 主 + doNo, 主 + dontYes, 主 + doesNo, 主 + doesntYes, 主 + beNo, 主 + be not(可缩写)12四、句型转换-改为一般疑问句TF boys like 1. Tom often goes to the park on Sundays. （变为一般疑问句） _Tom often _ to the park on Sundays?2. Cai Xukun is the girl favorite star. _ Cai xukun the girls favorite star? 课上小练习 课上小练习DoesgoIs131. T

10、om often goes to the park 四、句型转换-改为特殊疑问句Eg: Joyce often teaches English on line on weekends. Who often teaches English on line on weekends? 对非主语提问：特殊疑问词 + 一般疑问句？What does Joyce often do on line on weekends?When does Joyce often teach English on weekends?Does Joyce often teach English on line on week

11、ends?(一般疑）Does Joyce often teach Englidh on weekends?（一般疑）14四、句型转换-改为特殊疑问句Eg: Joyce oft1. Lucy often arrives home at 6pm. _ often arrives home at 6pm.? (对Lucy提问） _ _ Lucy often arrive home? （对6点提问） 课上小练习WhoWhendoes151. Lucy often arrives home at 一般现在时The sun _ ( rise) in the east.考点一客观真理永一现考点二I will

12、 tell him the news if he _ (come) tomorrow.if引导条件状语从句“主将从现”16一般现在时The sun _ ( rise) in1. The sun _ in the east and _ in the west. A. rose, set B. rises, sets C. rises, set D. rise, sets2. Light _ (travel ) faster than sounds.3. My mother will take a walk after supper if she _ free tomorrow. A. was B. be C. will be D. is 课上小练习171. The