高中英语：unit4 grammar课件新人教版必修3.ppt

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1、主语从句Whowillwinthematchisstillunknown.Iwanttoknowwhathehastoldyou.Thefactisthatwehavelostthegame.Thenewsthatwewonthegameisexciting.主语从句宾语从句表语从句名词性从句的作用相当于名词，因此主语从句、表语从句、宾语从句和同位语从句分别作主句的主语、表语、宾语和同位语。同位语从句NounClauses(名词性从句)SubjectClause(主语从句)AppositiveClause（同位语从句）ObjectClause（宾语从句）Pred

2、icativeClause（表语从句）Isthemoonaplanet?Thisquestionis______________ifstudentsaretoshowthattheyunderstandthenatureof__________.Somescientiststhinkthattheearth______________themoonbecausethemooncirclesourplanet.Othersbelievethatthemoon_______beforetheearthwasformed.Theythinkthatearlierint

3、imeittravelledthroughspaceasasmallplanetwhichwascaughtbytheearth’sgravity.__________,itgoesaroundourplanet.Theevidenceforthistheoryisthatthe_____thatmakeuptherocksonthemoonseemtobedifferentfromthoseonearth.Whatisclearisthatthemoonissmallerthantheearthandthis_________it_______escaping

4、fromtheearth.Althoughitsoriginmaystillbea________,themooncanneverbeanythingmorethanasatelliteoftheearth.fundamentalastronomygavebirthtoexistedAsaresultatomspreventsfrompuzzleIsthemoonaplanet?Thisquestionis______________ifstudentsaretoshowthattheyunderstandthenatureof__________.Somesc

5、ientiststhinkthattheearth______________themoonbecausethemooncirclesourplanet.Othersbelievethatthemoon_______beforetheearthwasformed.Theythinkthatearlierintimeittravelledthroughspaceasasmallplanetwhichwascaughtbytheearth’sgravity.__________,itgoesaroundourplanet.Theevidenceforthistheo

6、ryisthatthe_____thatmakeuptherocksonthemoonseemtobedifferentfromthoseonearth.Whatisclearisthatthemoonissmallerthantheearthandthis_________it_______escapingfromtheearth.Althoughitsoriginmaystillbea________,themooncanneverbeanythingmorethanasatelliteoftheearth.fundamentalastronomygaveb

7、irthtoexistedAsaresultatomspreventsfrompuzzleoooopsp主语从句：做主语用的名词性从句，因其在复合句中做主语，又称主语从句，引导主语从句的有连词that，whether，连接代词who，what，which，连接副词when，where，how，why等。1）从属连词：that，whether等.that引导主语从句只起引导作用，本身无实际意义，在主语从句中不充当任何成分，但不能省略。Thatpeoplecutdowntoomanytreesdestroyedthebalanceofnature.Whetherli

8、fewillcontin