初中英语-一般现在时-语法专题讲解课件.pptx

1、2020.9.10 一般现在时Simple present tense”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.2特殊考点 一般现在时 定义结构时间标志词句型转换Contents:Simple present tense3Who is she?She like

2、s travelling on weekdays.She often teaches English on Sundays.Students like her class very much.Students think she is a good teacher.Guess4一、定义（Definition)A:表示经常性或习惯性的动作或存在的状态。B:表示客观事实或普遍真理。She likes travelling on weekdays.She often teaches English on Sundays.Students like her class very much.Studen

3、ts think she is a good teacher.一般现在时 5二、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 often 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动词三单的变化stop makeread

4、 playmiss fixteach washgo do study worryhave stops makesreads playsmisses fixesteaches washesgoes doesstudies 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7always often usually sometimes every day never on Sundays once a day 一般现在时 三、时间标志词8 课上小练习1.My father often _ to work by

5、 bus.A.go B.goes C.went D.is going2.I often _ my parents at weekends.A.visit B.visited C.will visit D.have visited BA9四、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)+

6、doesnt+do(动原)+其他.TF boys are popular in China.改:TF boys arent very popular in China.主语+be(am,is,are)not +其他.101.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isntdoesntlike11四、句型转换-改为一般疑问句TF boys like singing very

7、 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？Yes,主+doNo,主+dontYes,主+doesNo,主+doesntYes,主+beNo,主+be not(可缩

8、写)121.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DoesgoIs13四、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

9、问：特殊疑问词对非主语提问：特殊疑问词+一般疑问句一般疑问句？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 weekends?(一般疑）Does Joyce often teach Englidh on weekends?（一般疑）141.Lucy often arrives home at 6pm._ often arrives home at 6pm.?(对Lucy提问

10、）_ _ Lucy often arrive home?（对6点提问）课上小练习WhoWhendoes15一般现在时The sun _(rise)in the east.考点一考点一客观真理永一现客观真理永一现考点二考点二I will tell him the news if he _(come)tomorrow.if引导条件状语从句引导条件状语从句“主将从现主将从现”161.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17特殊考点 一般现在时 定义结构时间标志词句型转换Sum up18一般现在时一般现在时含be含实义动词肯定句eg:主+动词原形/动词三单+其它否定句肯定回答/否定回答一般疑问句特殊疑问句 课后练习19Thanks20