第三課時(shí)(GrammarFocus-4c)-單元同步語(yǔ)法精講精練Unit7Teenagersshouldbeallowedtochoosetheirownclothes.?肯定句式：主語(yǔ)＋情態(tài)動(dòng)詞＋be＋過(guò)去分詞(＋by...)eg：Teenagersshouldbeallowedtochoosetheirownclothes.青少年應(yīng)該被允許選擇他們自己的服裝。?否定句式：主語(yǔ)＋情態(tài)動(dòng)詞＋not＋be＋過(guò)去分詞(＋by...)?一般疑問(wèn)句式：情態(tài)動(dòng)詞＋主語(yǔ)＋be＋過(guò)去分詞(＋by...)？其肯定回答與否定回答分別為“Yes，主語(yǔ)＋情態(tài)動(dòng)詞”和“No，主語(yǔ)＋情態(tài)動(dòng)詞＋not”?！咀⒁狻亢星閼B(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)的一般疑問(wèn)句的回答應(yīng)保留原情態(tài)動(dòng)詞，但must表“必須”時(shí)，其否定回答應(yīng)用needn't；而need表示“必要；必須”時(shí)，其肯定回答應(yīng)用must。eg：—Mustalltheroomsbetidiedup？所有的房間都必須整理好嗎？—Yes，theymust.是的，必須整理好?！狽o，theyneedn't.不，不必都整理好?！狽eedhebeoperatedonatonce？他需要立即手術(shù)嗎？—Yes，hemust.是的，他必須。—No，heneedn't.不，他不需要。?特殊疑問(wèn)句式：疑問(wèn)副詞/代詞(不作主語(yǔ))＋情態(tài)動(dòng)詞＋主語(yǔ)＋be＋過(guò)去分詞(＋by...)？或疑問(wèn)代詞(作主語(yǔ))＋情態(tài)動(dòng)詞＋be＋過(guò)去分詞(＋by...)?eg：Whencanmycomputerberepaired？我的電腦什么時(shí)候能修好？一、根據(jù)句意，用括號(hào)中所給動(dòng)詞的適當(dāng)形式填空。1．Yourhomeworkshould__________(do)byyourself.2．Theirworkmust_____________(finish)byfouro'clock.3．Howmanymagazinescan___________(borrow)inyourlibraryeveryweek?4．Thesebooksmustn't___________(take)outofthereadingroom.5．Shouldtheclassroom______________(clean)everyday?bedonebefinishedbeborrowedbetakenbecleaned二、語(yǔ)法填空。DearZhangLin，How'sitgoing？Ihavesomeproblemsatschool.Ifind6.___difficulttoworkintheeveningandIcan'tconcentrateonanything7.___themoment.Ispendmostofmytimelistening8.___recordsor9.________(watch)TVinsteadofdoingmyhomework.Theotherstudentsinmyclassaremuch10._______(good)thanme.Ihaveotherproblemsaswell.Ican'talwaystakedowntheimportantthingsmyteachersaid，becauseIwritetooslowly.ShetellsmethatI'mfallingbehindmyclassmatesinmystudies.I'mnotgoodat11.________(write)andIusuallyhandinmyhomeworklatebecauseIwon'tdoituntilthelastminute.

itattowatchingbetterwritingSoIoftenhavetofinddifferentexcuses12.________(let)myteacherknowwhyIhaven'tdonethehomework.I'mnotsureIwillgetthroughmyfinalexaminJanuary.I'mnowsofarbehindtheotherstudentsthatIdon'tknowhowIcancatch13.___withthem.Lastweek，whenmyteacherhelpedme14._____myhomework，shefoundsomanymistakes，whichmadememoreupset.Couldyoupleasegivemesomegood15.__________(suggest)?Yours，WeiHuatoletupwithsuggestions本課時(shí)其他知識(shí)點(diǎn)精講精練?chance可數(shù)名詞，意為“機(jī)會(huì)；可能性”。常用于短語(yǔ)achanceofdoingsth.或achancetodosth.中，意為“做某事的機(jī)會(huì)”。?educate動(dòng)詞，意為“教育；教導(dǎo)”?！就卣埂縠ducation名詞，意為“教育”。?keep...awayfrom避免接近，遠(yuǎn)離makeone'sowndecision自己做決定1．It'sagood_________(機(jī)會(huì))ofimprovingyourEnglish.Don'tmissit.2．Hedoesn'twanttojoinany____________(社團(tuán))．3．Iwon'tbeableto__________(應(yīng)付)withouthelp.4．Theoldinour_________(社會(huì))needcareandprotection.5．Parentsshould________(教育)theirchildrentobehavewell.chancecommunitymanagesocietyeducate6