7AUnit1Grammar (2).ppt

Grammar一般现在时 SimplePresentTense 一般现在时的用法 Sandyismyclassmate 表示现在存在的状态 Iamateacher Youarestudents Simonoftenplaysfootballafterclass 表示经常性 习惯性的动作 Catseatfish 表示客观事实或普遍真理 当我们谈论以下几种情况时 用一般现在时 1 表示现在存在的状态 2 表示经常性 习惯性的动作 3 表示客观事实或普遍真理 一般现在时用法小结 例句 1 Iamateacher 2 Youarestudents 3 Wearegoodfriends 4 Theyareonthefootballfield 5 SimonandSandyareclassmates 6 Heisapoliteandhelpfulboy be 动词的一般现在时形式有三种 am is are 你能自己总结吗 am are is 缩写形式 I mYou re We re They reHe s She s It s 用法口诀 我 I 用am 你 you 用are is用于 他 he 她 she 它 it 复数人称都用 are Exercises I anEnglishteacher We intheclassroom Ourschool big You middleschoolstudents Theseflowers overthere Eddie adog Yourbrother inClass2 Grade3 Yourclassmates ontheplaygroundnow are is are is am are is are Iamateacher Iamnotastudent Ourschoolisbig Ourschoolisnotsmall Weareintheclassroom wearenotinthepark be 动词的一般现在时的否定形式 am is are not 你能自己总结吗 amnot arenot isnot 缩写形式 arenot aren tisnot isn tamnot没有缩写形式 Exercises 写出be动词的否定形式 I amiddleschoolstudent You 22yearsold Thelittlegirl verytall We fromtheUSA Theseboys yourclassmates Eddie ane dog arenot arenot isnot amnot arenot isnot Am Are Is am are is amnot arenot isnot 例句 一 一般疑问句及其肯定回答和否定回答1 AmIthefirst Yes youare No youaren t 2 Areyougoodatswimming Yes Iam Yes weare No I mnot No wearen t 3 IsSimontall Yes heis No heisn t 巩固练习 将下列句子变成 1 一般疑问句并作肯定和否定回答 2 变成否定句 Wearegoodfriends 1 Areyougoodfriends Yes weare No wearen t 2 Wearen tgoodfriends SimonandSandyareclassmates 1 AreSimonandSandyclassmates Yes theyare No theyaren t 2 SimonandSandyaren tclassmat