UNIT9SECTIONAGRAMMARFOCUS3C課件人教版八年級上學(xué)期英語

Review1.為考試而做準(zhǔn)備2.看醫(yī)生3.上鋼琴課4.幫助我的父母親5.拜訪我的姑姑prepareforanexamgotothedoctorhaveapianolessonhelpmyparentsvisitmyaunt

GrammarFocusCanyoucometomypartyonSaturday?Sure,I’dloveto.Sorry,Imuststudyforamathtest.Canyougotothemoviestomorrownight?Sure.Thatsoundsgreat.I’mafraidnot.Ihavetheflu.Canhegototheparty?No,hecan’t.Hehastohelphisparents.Canshegotothebaseballgame?No.she’snotavailable.Shemustgotothedoctor.Cantheygotothemovies?No,they’renotfree.Theymighthavetomeettheirfriends.情態(tài)動詞can的用法can是一個常見的情態(tài)動詞，表示說話人的語氣或情態(tài)，基本意思是“能;會”。它沒有人稱和數(shù)的變化，在句子中不能單獨(dú)作謂語，其后必須跟實(shí)義動詞原形。can的否定形式為cannot/can't/cannot；過去式為could，其過去否定形式為couldnot/couldn't。情態(tài)動詞can有以下常見用法：1.表示能力情態(tài)動詞can一般指體力、知識、技能等方面的能力，即“能夠；會”。我哥哥會游泳，但是我不會。MybrothercanswimbutIcan't.2.表示許可多用在口語中，表示請求或允許，意為“可以；能夠”等。用于疑問句中用來提出要求，用于否定句中表示不允許。我可以用你的鋼筆嗎？CanIuseyourpen?3.表示推測情態(tài)動詞can表示推測時，常用于否定句或疑問句，意為“（不）可能”。用于肯定句中表示理論上的可能性，意為“有時會”。這里的春天有時可能會非常冷。Itcanbeverycoldhereinspring.4.表示邀請情態(tài)動詞can除了表示能力、許可或猜測之外，還可以表示邀請；could較can更禮貌、委婉。情態(tài)動詞can表示邀請時的用法如下：（1）當(dāng)用情態(tài)動詞can發(fā)出邀請時，用一般疑問句

Can+主語+動詞原形+其他？你能來參加我的聚會嗎？（2）當(dāng)用情態(tài)動詞can發(fā)出邀請時，其回答分為兩類。

一類表示接受邀請，另一類表示拒絕邀請。Sure,I'dloveto.當(dāng)然,我很樂意。Sure,Ithinkhe/she/theywill.當(dāng)然,我想他/她/他們會的。Sorry.I'mnotavailable.對不起,我沒有空。I'dloveto,butI'mafraidIcan't.情態(tài)動詞有：may/might,can/could,must,haveto,shall/should,will/would,oughtto,need,dare,usedto

1.不能獨(dú)立作謂語，只能和動詞原形一起構(gòu)成謂語，表示說話人的語氣和情態(tài)。2.沒有人稱和數(shù)的變化。(haveto除外)3.否定形式：在其之后加not(haveto除外)。疑問形式：情態(tài)動詞提到主語之前(haveto除外)。Howtoacceptaninvitation.Yes,I’dlove/liketo.Certainly,I’dlove/liketo.Sure,I’dlove/liketo.Thanksforyourinvitation.Thanksforaskingme.Howtodeclineaninvitation.I’msorry,Ican’t.Ihaveto…I’dloveto,butIhaveto…Sorry,Ican’t.I’mgoingto...Thanksforyourinvitation.Thankyouforaskingme.3aCompletetheanswerswithmightandoneofthephrasesinthebox.watchTVontheweekendmycousinvisitgrandparentspracticetheviolin1.A:WhatareyougoingtodoonSaturday?B:I’mnotsure.Imight_____________________

2.A:Whatareyouplanningtodoafterschool?B:Idon’tknow._________________

practicetheviolin.ImightwatchTV.Imightfinishitontheweekend.Imightgowithmycousin.No.Imightvisitgrandparents.3bCompletethesentencesbelow.Usethewordsinbracketstohelpyou.1.Inviting:________________________(can/playtennis)

Accepting:___________________________________2.Inviting:____________________________________(wouldliketo/gotothemovies)Refusing:___________________________________Reason:_____________________________(mighthaveto)Sure,thatsoundsgreat.Wouldyouliketo

gotothemovies?I’mafraidnot.Imighthavetodomyhomework.Canyouhangoutwithustonight?No,Ican’t.Sure,I’dloveto.Imustpracticetheviolintonight.3cWritedowneverythingyouhavetodonextweek.Chooseadayandtimetohaveaparty.Theninviteclassmatestoyourparty.MON.

TUE.

WED.

THUR.

FRI.

SAT.

SUN.

Monday

TuesdayWednesdayThursdayFridaySaturdaySunday

一、選擇正確的詞Thankyoufor

(ask/asking),butIcan’tgotothemovieswithyou.Paulhastostudy

(at/for)themathtesttonight.Mysisterhastoo

(much/many)homeworktodo.askingformuchExerciseontowatchthepiano二、選擇題1.Canyouplaytenniswith

onSaturday?A.usB.weC.ourD.ours2.Henry

hishomeworkthisafternoon.A.havetodoB.havetodoingC.hastodoD.hastodoing3.Tonyisplayingtennis

thesch