仁爱版英语七年级上册【高效备课精研+知识精讲提升】 一般现在时 课件

一般现在时的句型转化哪些属于第三人称单数？be动词：情态动词：助动词：实义动词：句型转化的四大类动词am,is,arelike,want,eat,read…can,could,would,…do,does陈述句陈述句(DeclarativeSentence)：是陈述一个事实或者说话人的看法的句型。陈述句又分为肯定句和否定句2.Theyaregoodfriends.1.Heisblueandwhite.Be动词肯定句2.Iwouldlikeaneggandsomefish.1.HecanhelpyouwithyourEnglish.情态动词2.Theyusuallyhavedinnerathome.1.Hehasaroundface.实义动词肯定句结构总结主语+be动词+其它主语+情态动词+动原+其它主语+实义动词+其它否定句Be动词Iamhappy.Iamnothappy.情态动词Icanswim.Icannotswim.can

not=can’t/cannot实义动词Mydoglikesyou.Mydogdoesn’tlikeyou.doesn’t=doesnot否定句结构总结主语+be动词+not+其它主语+情态动词+not+动词原形+其它主语+助动词

+not+实义动词原形+其它多一步找帮手：助动词找帮手（助动词）方法1：根据主语来借用助动词当主语为第三人称单数时，借用does其他人称作主语，借用do找帮手（助动词）方法2：根据原句中的动词形式来借用助动词当原句中的动词为第三人称单数形式时，借用does其它情况，借用doLet’stryHecanspeakChinese.MymotherwantstogotoBeijing.ThisletterisfromSam.WelikeEnglishverymuch.Iwouldlikesomemilk.Therearemanybigtrees.将下列句子改为否定句：一般疑问句疑问句“Yes”（是）或“No”（否）什么是一般疑问句？1.Heisblueandwhite.Isheblueandwhite?2.Theyaregoodfriends.Aretheygoodfriends?Be动词1.Icanswim.Canyouswim?2.Hewouldlikesomefish.Wouldhelikesomefish?情态动词1.Hehasaroundface.Doeshehavearoundface?2.Theyhavedinnerathome.

Dotheyhavedinnerathome?实义动词一般疑问句的基本结构be动词+主语+其它+？情态动词

+主语+动词原形+其它+？助动词

+主语+动词原形+其它+？肯：Yes,主语+be动词/情态动词/助动词.否：No,主+be动词/情态动词/助动词+not.1.有be用be2.有情用情3.无be无情请求助动词（do/does)Let’stryHecanspeakChinese.MymotherwantstogotoBeijing.ThisletterisfromSam.Welike