Unit 5 Discovering Useful Structures （ppt课件）-2022新人教版（2019）《高中英语》选择性必修第一册.pptx

1、01concept02conectors03rules04practice makes perfect CONTENT01conceptconcept概念概念主主语语 is important.is important.02ConectorsConectors连接词连接词1.1.从属连词从属连词ThatWhetherWhether/if2.2.连接代词连接代词3.3.连接副词连接副词类别例词说明从属连词that,whether两者在从句中均不作成分，只起连接作用；that无实义，whether表示“是否”。连接代词who,what,which,whoever,whatever在从句中作主语、宾

2、语、表语、定语等成分。连接副词when,where,how,why在从句中作时间、地点、方式、原因状语等成分。依据“缺什么补什么”原则确定正确的连词。所谓“缺什么补什么”是指。如果句子中缺主语，指人用，指物用。如缺宾语，指人用，指物用。如缺时间状语用；地点状语用。原因状语用；方式状语用。如缺定语用。如什么都不缺用，表“是否”。03RulesRules规则规则找出下列句子中的错误，并总结规律找出下列句子中的错误，并总结规律1.When will he come is not known.主语从句一律用，即主语在前，谓语在后。正：When he will come is not known.2.W

3、here will he go is not yet fixed.正：Where he will go is not yet fixed.3.When he will come are a puzzle.正：When he will come is a puzzle.4.What he needs is a book.What he needs are some books.根据主句动词的单复数形式。04Practice makes perfect1.你做的任何事都是正确的。_2.手表属于谁是未知的。_3.我们需要的是时间。_4.大家相信善行会带给我们好运。_1.你做的任何事都是正确的。_2.手表属于谁是未知的。_3.我们需要的是时间。_4.大家相信善行会带给我们好运。_Whatever you did was right.Whom the watch belongs to is unknown.What we need is time.It is believed that good deeds will bring us fortune.Thank you for your watching