初中英语人教版七年级下册一般现在时态专题讲解.ppt

LanguageinUse 1 Grammarfocus 礼县白河农中 赵雄 Ilikesinging Helikesplayingfootball Theydon tspeakChinese Hedoesn tlikeshopping Doyougotoworkat6o clock Doesshelivehere Wheredotheycomefrom Whatdoesshelikedoing 一般现在时 表示现在经常反复发生的动作 存在的状态或习惯性的动作的时态 行为动词的一般现在时 构成 主语 行为动词 其他 Theseboyslikeplayingfootball ThegirlreadsEnglisheverymorning 注意 当主语为第三人称单数时 行为动词要加s或者es 什么时候加s 什么时候加es呢 1 大多数动词在词尾直接加s 如read readslook looksplay plays2 以辅音字母加y结尾的动词 要先将y变为i 再加es如 fly fliescarry carriesstudy studies26个字母中除AEIOU五个元音字母外 其余21个都是辅音字母3 以 s x ch sh 结尾的 在词尾加 es 发音为 iz 如 teach teaches iz watch watches iz box boxes4 以 o 结尾的动词 加 es 读 z 如 go goes z do does z Completethesentences Usethesimplepresenttenseoftheverbsinbrackets Myfather listen totheradioeveryday Mike study inamiddleschool She take Eddieforawalkaftersupper He wash clotheswithhishands Simon pass theballtoDaniel MissLi teach Chinese Lookattheanimal it fourlegs listens takes studies washes passes teaches has 8 否定句的构成 主语 助动词 do does not 行为动词原形 其他 Theseboysdon t donot likeplayingfootball Thegirldoesn t doesnot readEnglisheverymorning 什么时候用助动词do 什么时候用助动词does呢 取决于主语 ThegirlreadsEnglisheverymorning Theseboyslikeplayingfootball 当主语为复数时 用助动词do构成否定当主语为单数时 用助动词does构成否定 注意 don t和doesn t之后动词一定要用原形 Changethefollowingsentencesafterthemodels Ilikered green Theylikeapples oranges Wetakeabustoschooleveryday walktoschool Model1 Ilikefish meat Idon tlikemeat Model2 Helikesreading writing Hedoesn tlikewriting Idon tlikegreen Theydon tlikeorange Wedon twalktoschooleveryday 10 4 Hisbrotherplaysfootballafterschool playbasketball 5 Itlookslikeacat hat 6 Shehasadogathome acat Hisbrotherdoesn tplaybasketball Itdoesn tlooklikeahat Shedoesn thaveacatathome 11 Completethesentences Usetheproperverbformsinbrackets 1 Jordan play basketball He notplay football 2 I go swimmingonSunday ButI notgo shopping 3 Mycousins enjoy computergames Butthey notenjoy ballgames 4 You like fish Buthe notlike fish plays doesn tplay go don tgo enjoy don tenjoy like doesn tlike 12 一般疑问句的构成问句 DoyourparentslikeEnglish 肯答 Yes theydo 否答 No theydon t 助动词 主语 动词原形 其它 肯定回答用 Yes 主语 do does 否定回答用 No 主语 donot doesnot 助动词也常用缩写形式 主要有don t doesn t 特别注意 一定要注意动词的还原 因为时态与数的变化已经体现在助动词上了 含行为动词 或称为实义动词 一般疑问句的改写 秘诀 一加二改三问号一加 即在句首加助动词Do或Does 二改 1 把谓语动词改为原形 2 改换主语称谓 同第一家组 三问号 句末的句号改为问号 WereadEnglisheverymorning DoyoureadEnglisheverymorning Tom sfatherlistenstoEnglishontheradioeveryevening DoesTom sfatherlistentoEnglishontheradioeveryevening 句型转换 1 Mr GreencomesfromShanghai 改为一般疑问句 2 MillielivesinaflatinBeijing 改为否定句 DoesMr GreencomefromShanghai Milliedoe