Unit+12+讲义 人教版七年级英语下册

Unit12Whatdidyoudolastweekend?Whovisitedhergrandmother? Beckydid.答语中did代替句中visitedhergrandmother.(英语中为了避免重复，经常用does、do、did等来代替前面的动词或相关内容，且时态与问句保持一致)Eg:Whocooksdinnerforyoueveryday?Myfatherdoes.(代替cooksdinner)DoyoulikewatchingTV?Yes,Ido.(代替likewatchingTV)IworkedasaguideattheNaturalHistoryMuseum.as:(prep)当作；作为(其后常接表示职业、用途等的名词)若放在句首，则常用逗号与语句的主体隔开Eg:Sheworksasagiudeinacompany.Asaplayer,youshoulddomoreexercise.辨析：as&likeas: 用于说明同一关系，即两者实为一体like：用于说明相似关系，并不等同Eg:Heworksasateacher.(言外之意：Heisateacher.)Heworkslikeateacher.(言外之意：Heisn’tateacher.)Istayeduplatetowatchthesoccergame.stayup:熬夜stayuplate：睡得很晚与stay相关的常见短语：stayathome待在家里stayawayfrom远离stayhealthy保持健康stayout待在外面与up相关的短语callup打电话catchupwith赶上comeupwith提出getup起床giveup放弃growup成长lookup向上看；查出makeup编造；构成pickup捡起；中途载人putup举起；张贴setup创建showup出现takeup占据turnup调大useup用完；耗尽Fathermouseshoutedatthecat,“Woof,woof.”辨析：shoutat&shouttoShoutat:冲...大声叫喊（多指因生气/愤怒冲某人叫喊）Eg:Heloseshistemperandshoutsatme.shoutto:对...大声叫喊（无恶意，多因距离远）Eg::“Canyouhearme?”heshoutstoTom.5.“Well,son,that’swhyit’simportanttolearnasecondlanguage.”(1)that’swhy...这就是...的原因why引导的名词性从句在句中作表语Eg:That’swhyIcanpasstheimportantexam,becauseIstudyhard.that’sbecause...那是因为...（表示原因）Eg:Hedidn’tgotoschooltrip.That’sbecausehewasbadlyill.flewakite放风筝flew为fly的过去式fly的用法：(vi)(1)flyto乘/坐飞机=go(to)...byplane/airEg:ShewillflytoNewYork.ShewillgotoNewYorkbyplane/air.飞Eg:Hehopeshecanflylikeabird.飞逝Eg:Howtimeflies!(时光飞逝)苍蝇Eg:Look!Aflyisswimmingintheporridge.Thereweputupourtentsandmadeafiretokeepuswarmandcookfoodon.(1)putup:搭建；张贴（动副结构）(2)keep的用法Keepsb./sth.+adj让某人/某物保持...(强调某种状态)Eg:Thecoatwillkeepyouwarm.Thestudentsshouldkeeptheclassroomclean.Keepsb./sth.+doing让某人/某物一直...(强调动作的持续性)Eg:I’msorryI’vekeptyouwaiting.Thenextmorning,mysisterandIgotaterriblesurprise.getasurprise吃惊（可数名词）surprise：(不可数名词)insurprise惊奇地；惊讶地Toone’ssurprise令某人惊讶的是(vt)使吃惊；使惊奇(adj)surprisingsurprisedEg:Herideasurprisesme.IwassoscaredthatIcouldn’tmove.so...that...如此...以致于...(so后接adj/adv)Eg:TheboxissoheavythatIcan’tcarryit.HerunssofastthatIcan’tcatchupwithhim.拓展：such+a/an+adj+单数可数名词+that...相当于so+adj+a/an+单数可数名词+that...Eg:Mr.Yiissuchakindteacherthatwealllikehim.Mr.Yiissokindateacherthatwealllikehim.scared:惊慌的；吓坏了的=afraidbescaredofsth.害怕做某事bescaredtod