英语人教PEP版八年级（上册）Unit8+Section+A+3a-3c+Grammar+Focus

Unit8Howdoyoumakeabananamilkshake?SectionA3a-3cGrammarFocusTeachingAims：

1.掌握祈使句的用法

2.掌握可数名词和不可数名词的考点

3.howmany和howmuch的辨析

Teachingkey&difficultpoints:

1.祈使句句型的掌握

2.可数名词的变化和不可数名词用法

3.howmany和howmuch的辨析Turnleft!Turnright!Nosmoking!Don’tplayfootball!Becareful!Don’teat!Lead-in►祈使句的定义祈使句:表示__________________等句子。►祈使句的运用:①在祈使句中，一般以________开头。主语是______,通常被______。②句首或句尾常加“________”,表示“请”。在句尾时前用逗号与前面句子隔开。一、祈使句动词原形you省略please请求、命令、建议Discussion►句型1．肯定形式（动词原形开头）A）be型（Be+表语）

eg.Becareful！

Bequiet,please!B）do型（实义动词原形+其他）

C）let型（Let+宾语+动词原形+其他）2．否定形式（Don't+动词原形开头）A）be型（Don'tbe+表语）B）do型（Don't+动词原形+其他）C）let型（①Don't+let+宾语+动词原形+其他）（②Let+宾语+not+动词原形+其他）

eg.Comein,please!Standup!eg.Let'sgoshopping!.eg.Don'tbelate!Don'tbenoisy!eg.Don'tsleepnow!Don'ttalkinclass!

Let's

notgoout!eg.Don'tletthemleave.►特殊用法(了解)1.No+doing/名词：用来表示“禁止”的祈使句。eg.Nosmoking！禁止吸烟！Noparking!禁止停车！Nofishing！禁止钓鱼！Nophotos!禁止照相！2.Do+动词原形：用来加强语气eg.Dowritetomesoon.一定要快点给我写信啊。

Doletmedoitbymyself.请一定要让我自己处理。Task11._______(keep)quietinthelibrary!2.Don't_______(swim)intheriver,please!3.Pleasedon't____(be)lateforschooltomorrow!4.Let's________(notmake)anynoise,thebabyissleeping.5.对你的朋友好点！________________yourfriends!6.确保拼尽全力！Makesure______________________________!7.走之前别忘了关门！________________________beforeyouleave!8.让我们去远足吧！___________________!KeepswimbenotmakeBefriendlytoDon'tforgettoclosethedoorLet'sgohikingtotryyourbest/youtryyourbest二、可数名词1.可数名词的单数：前常加不定冠词a/an或定冠词the(特指)eg.apilot一名飞行员anapartment一所公寓

themanwithahat那个戴帽子的男人2.可数名词变复数：规则变化&不规则变化①规则变化：A)一般情况直接+s:boysstudentsphotos(无生命)B)以s,x,sh,ch等结尾加-es:busesboxesdisheswatchesC)以辅音+y结尾改y为i加-es:babiesfactoriescities

D)以f(e)结尾,改f(e)为ves:leaveskniveswiveswolvesE)以o结尾(有生命)加-es:potatoestomatoesheroesTask2将下列名词变为复数：

1.hen__________ 2.diary_________3.activity_________ 4.difference_________5.duck__________ 6.dictionary_________7.bus____________ 8.potato___________9.piano__________ 10.leaf_____________11.life___________ 12.wish____________hensactivitiesducksbusespianoslivesdiariesdifferencesdictionariespotatoesleaveswishes②不规则变化：A)三人：B)四动物：C)两器官：D)形单意复：peoplepoliceman-menwoman-womenchild-childrensheep-sheepdeer-deerfish-fish(单复同形)mouse-micefoot-feettooth-teethTask3

根据句意，用括号中所给单词的适当形式填空。1.Ihavelotsof

___________(tomato)here.2.The_________(child)areplayinggamesontheplaygroundnow.3.Tonyisa________(sheep)andtherearemany________(sheep)overthere.4.Hehasten___________(sandwich).5.TherearemanyEnglish___________(dictionary).tomatoeschildrensheepsheepsandwichesdictionaries3.修饰可数名词复数的词：①many类：many/somany/toomany/howmany

②few类：quiteafew/afew/few/fewer/fewest

③some/alotof/lotsofTask41.The______carefulyouare,the______mistakesyouwillmake.A.more;littleB.more;lessC.more;fewD.more;fewer2.Ladiesandgentlemen,Ihave_______wordstosay.A.fewB.afew C.little D.alittle3.I'mnewhere.SoIhave______friendshere.

A.fewB.afew C.little D.alittle4.Thereare______orangesinthefridge,couldyoubuysomeintheshop?

A.fewB.afew C.little D.alittle5._______hoursdoyouwatchTVeveryweek?-_____.A.Howmuch;NothingB.Howmany;NooneC.Howmany;NoneD.Howmany;Nobody

DBAAC4.可数名词做主语，谓语动词单复数与主语保持一致:eg.Thereare

somepeopleontheplayground.Thereisanappleinthebasket.

Theboyhardlyeverdoesexerciseeveryweek.Task51.The______(leaf)onthetreeturnyellow.2.Thereareafew_______(child)playingfootballoutside.3.Their________(idea)soundinteresting.4.Thegirlnever_______(sing)intheclassroom.5.People______(play)animportantpartinsavingtheearth.leaveschildrenideassingsplay

三、不可数名词：1.常见的不可数名词：①金(gold)木(wood)水(water)火(fire)土(earth)沙(sand)肉(meat)食(food)米(rice)纸(paper)②牛肉(beef)鸡肉(chicken)拌米饭(rice)鱼(fish)汤(soup)味道鲜果汁(juice)牛奶(milk)要常喝面包(bread)更是不能缺③抽象类：money,pollution,information,news,knowledge(知识)④学科类：math,geography,physics2.不可数名词无复数，也不能用a/an修饰，但前面可加the：

eg.thewater/themoney

不可数名词的量：基数词+计量单位+of+不可数名词：

eg.apieceofbread/paper/newstwocupsofwater/milkTask51._______________一袋米 2._________________一杯咖啡3._______________两张纸 4._________________三瓶橙汁5._______________九片面包 6._________________四杯牛奶abagofriceacupofcoffeetwopiecesofpaperthreebottlesoforangeninepiecesofbreadfourcupsofmilk3.修饰可数名词复数的词：①much类:much/somuch/toomuch/howmuch

②little类：alittle/little/less/least

③some/alotof/lotsofTask61.-Doyouhaveanywater?-No,Ihave_____inmyglass.A.fewB.littleC.alittleD.afew2.Howcanyoumakeatripwithso____money?A.fewB.littleC.afewD.alittle3.Thereis_____milkinthefridge,sowewillgototheshopandbuysome.A.fewB.littleC.afewD.alittle4.Nowpeoplecanlearn______informationonfromtheInternet.A.afewB.alotC.muchD.many5.-_______yogurtdoyouneed?-Weneed_______ofyogurt.

A.Howmany;twocupB.Howmuch;twocupC.Howmany;twocupsD.Howmuch;twocups

BBBCD当堂检测1.—____honeydoyouneed?—Onespoon.A.Howmany B．Howoften C.Howlong D．Howmuch2._____yourumbrella,oryou'llcatchacoldonsucharainyday.A.Take B.Totake C.Taking D.Takes3.--____hoursdoyouwatchTVeveryweek?--Lessthan2hours.A.Howmuch B.Howmany C.Howlong D.Howoften