Unit 5 Working the land 主语从句课件--高中英语人教版（2019）选择性必修第一册.pptx

新人教版选修一 Unit 5Discover Useful StructuresSubject clauses5.To find your way can be a problem.4.Smoking is bad for you.1.Jane works hard.2.You are a student.3.The old should be respected.Whats the subject?（什么是主语？）（什么是主语？）6.What she said is not yet known.结论：结论：主语是句子说明的人或事物，一般放在主语是句子说明的人或事物，一般放在_。一个句子来充当一个句子来充当_叫主语从句。叫主语从句。句首主语什么是主语从句什么是主语从句 在主从复合句中，充当主语的从句是主语从句。它是名词性从句之一，使用陈述句语序。引导的连接词有从属连词、连接代词和连接副词。“缺缺什什么么补补什什么么”原原则则缺主语，指人用缺主语，指人用_，指物用，指物用_缺宾语，指人用缺宾语，指人用_，指物用，指物用_缺时间状语用缺时间状语用_；地点状语用地点状语用_；原因状语用原因状语用_；方式状语用方式状语用_；定语用定语用_；什么都不缺用什么都不缺用_，缺，缺“是否是否”_”_whowhowhatwhatwho/whomwho/whomwhatwhatwhenwhenwherewherewhywhyhowhowwhich/whosewhich/whose主语从句的连接词thatthatwhetherwhetherThat Yuan devoted all his life to developing hybrid rice moved all people around the world.Whether it was possible to develop a hybrid plant was a matter of great debate.从属从属 连词连词that _成分，_意义，_省略。whether _成分，_意义，译为_。从属连词从属连词引导主语从句只起引导作用，在引导主语从句只起引导作用，在主语从句中主语从句中不充当任何成分不充当任何成分。不做是否无不能不做有1.从属连词：that、whether、ifWho will go makes no difference.What we need is more time.Which book I shall choose hasnt been decided.Whoever breaks the law will be punished.who在主在主语从句中充当从句中充当 _,译为 _。what在主在主语从句中充当从句中充当 _,译为 _。which在主在主语从句中充当从句中充当 _,译为 _。whoever在主在主语从句中充当从句中充当 _,译为 _。2.连接代词:who、whoever、whom、whose、what、whatever、which、whichever宾语宾语什么什么主语谁主语无论谁定语哪一个连接代词When we will leave hasnt been decided.Where the meeting will be held is not known.Why he cries is not clear.How she keeps healthy is a secret.when在主在主语语从句中充当从句中充当 _,译为译为 _。where在主在主语语从句中充当从句中充当 _,译为译为 _。why在主在主语语从句中充当从句中充当 _,译为译为 _。how在主在主语语从句中充当从句中充当 _,译为译为 _。3.连接副词：when、where、how、why连接副词状语什么时候状语哪里状语为什么状语怎样探寻规律探寻规律1 1：主语从句主语从句 主谓一致主谓一致 问题问题1.Whether the patient will be taken _ unknown.2.When and where the patient will be taken _ unknown.3.When the task can be finished and whether he can have a rest _ unknown.4.What he wants most _ staying with his family.What they need _ masks(口罩口罩).单个从句做主语，大多数使用单个从句做主语，大多数使用_ (单数？复数？单数？复数？)单数is由两个连接词引导同一个主从，谓动使用由两个连接词引导同一个主从，谓动使用_(单数？复数？单数？复数？)单单数数is主语为主语为and连接的两个主从时，谓动使用连接的两个主从时，谓动使用_(单数？复数？单数？复数？)复数复数arewhat在主从中做宾语时，谓语的单复数取决它后面的表语。在主从中做宾语时，谓语的单复数取决它后面的表语。is are主语从句一律用主语从句一律用_即主语在前，谓语在后。即主语在前，谓语在后。陈述语序探寻规律探寻规律2 2：主语从句的语序主语从句的语序探寻规律探寻规律3 3：主语从句太长怎么办？主语从句太长怎么办？That all countries work together is important.用一个用一个 It 来解决问题！来解决问题！It is important that all countries work together.主语从句为了避免头重脚轻现象主语从句为了避免头重脚轻现象,用用itit做做_，而把从句放在后面充当，而把从句放在后面充当_。真正的主语形式主语