Unit 5 Into the wild Using language课件-高一英语（外研版2019必修第一册）.pptxVIP

Unit5IntothewildUsinglanguage外研版2019必修第一册

目录Lead-inVocabularybuildingGrammarListeningspeaking

Lead-in:Reviewrelativepronounsinattributiveclauses.peoplethingssubjectobjectattributethatwhichwhowhomwhose√√√√√√√√√√√√√√√

Lead-in:Whatdo“where”,“when”and“why”refertoineachsentence?aEventually,itmanagestoreachtheplaceswhereitwillspendthewinter.bThesolution…comesatatimewhenitisinserioustrouble.cSadly,humanactivityisthemainreasonwhythenumberofmonarchbutterfliesisfalling.

Lead-in:Whatisthedifferencebetweenthetwogroupsofsentences?Sentences(a),(b)and(c)containaclausedefininganounorpronouninthesentence.Sentences(d),(e)and(f)areconstructedwithapairofsimplesentences,withonedefininganounorpronounintheothersentenceineachpair.

1.Thesetwopiecesofinformation-thetimeofdayandthepointwherethesunisinthesky-allowthebutterflytodeterminethewaytogo.2.Inmanyoftheplaceswherethebutterflycanbefound,peoplearedestroyingthenaturalenvironment.3.Ifthisworks,theremaycomeatimewhenthenumberofmonarchbutterfliesincreasesonceagain.

定语从句当关系词在定语从句中作时间、地点、原因状语时，应使用关系副词where,when,why。先行词关系词Maryisagirlwhohaslonghair.关系代词关系副词which,that,who,whom,whose,where,when,why定语从句

Grammar:关系副词wherea.Thisistheplacewherewelivedtenyearsago.b.ThisisthevillagewhereIwasborn.c.Thisistheschoolwherewestudiedafewyearsago.关系副词where引导定语从句，修饰表示______(如place,room,house,area,point…)的先行词，在定语从句中充当__________。先行词地点地点状语

1.Thatistheplace______theymetforthefirsttime.那就是他们第一次见面的地方。2.Chinaistheonlycountry____________________________________________中国是唯一一个发现野生大熊猫的国家。wherewherewildpandascanbefound.

Grammar:关系副词whena.HetoldmethedatewhenhejoinedtheParty.b.1949wastheyearwhentheP.R.C.wasfounded.c.Canyoutellmethetimewh