人教版高中英语课件：同位语从句.ppt

同位语从句 教学目标：1. 同位语从句相关知识（概念，引导词 等） 2.掌握同位语从句与定语从句的区别 教学重难点：1.引导词的选择 2.同位语和定语从句的区别 first let us look at two pictures! i am john 1)he told me his brother ， _ john john是his brother 的 同位语 2)zhouenglai, our former prime minister,was very kind to people 是zhouenglai 的 同位语 our former prime minister， 总结： 同位语可以用单个的 如 1） 同位语还可以用 来表示如 2） 单词 词组 可不可以用一 个句子来表达 呢？ step1同位语 . . that computers will recognize human voices the idea surprises many people that computers will recognize human voices 同位语 eg:the idea that computers will recognize human voices surprises many people 找出从句: 找出主句: what is the idea? the idea= 是的： step2.同位语从句 总结: 同位语还可以用带有引导词的从句来表达，此时把这个从句 叫做 ： 1.定义：在主从复合句中用作 的从句叫做同位语 从句 2.作用：对前面的名词进行 和 的作用 3先行词：多为抽象名词如： (主意）_(事实)， _（消息 ）， _ （问题 ）， _（信念 ）等 同位语 解释说明 同位语从句 idea fact news problems belief 4.所作成分： a）we heard the news that our team had won b）the fact that the transport of the goods costs too much was not discussed 总结：同位语从句在复合句中作 如 a) ， 如b) 宾语 主语 同位语从句的引导词常用 , , 等。 表示“是否”时 只用whether e.g. i have no idea he will be back （何时）. he can get the treasure （怎样）. we should do next. itll rain tomorrow. (是否) our football team won the game. that what whether when how that wh- how 5.引导词 同位语从句与定语从句的区别 e.g a.） the news that our team has won the final match is encouraging. （ 。） b）the news that you told us is really encouraging. ( ) 从句说明“消息”的内容：我 们队取得了决赛胜利 从句对“消息”加以限定 是你告诉我们的，而非来自其他渠道。但消息 是何内容却不得而知。 step3.同位语从句与定语从句的区别 1)、从句的作用不同：同位语从句用来进一 步_前面名词的内容 (如a ) ；定语 从句用来_, _前面的名词。如 (b) 2).引导从句的关联词that的功能不同： that引导同位语从句时是一个纯连词，不充 当 ；而引导定语从句的that是 ， 既指代 又须在从句中充当成分 3有些引导词如：how, whether, what可以 引导同位语从句，但不能引导 说明 限定修饰 任何成分 关系代词 先行词 定语从句 step4.practice a.选择合适的引导词填空 1.the problem _ is right hasnt been proved a whether b when c how d what 2the fact_ he didnt see tom yesterday is true. a. that b. which c. when d. what 3. i have no idea _ he will start. a. / b. that c. what d. when 4. 1.the question _ should go abroad hasnt been decided yet a that b where c who d what 5. i have no idea _ one i should choose a.that b. which c. when d. what 6 1.ive got a good idea _ they left early a. why b. which c. who d. what 7.the question _ we should go has not been decided a.who b. where c./ d. what b.判断下面句子是同位语从句还是定 语从句 1.the news that the plane would take off on time made everybody happy.( ) 2.the news that is spreading around the airport is that a heavy storm is coming.( ) 3.dad made a promise that excited all his children（ ） 同位语从句 定语从句 定语从句 4.dad made a promise that he would buy me cd player if i passed the english test ( ) 5.is there any hope that they will be home in time? ( ） 同位语从句 同位语从句 1. the general gave_ _ (战士们立即过河的 命令). 2. well discuss_ _ (运动 会是否会如期举行的问题). _ the order that the soldiers should cross the river at once _ the problem whether the sports meeting will be held on time c.根据括号内的提示完成下列句子 3i have no idea (他发生了什么事). 4. has to be faced. (他们没有完成工作的事实) what has happened to him the fact that they didnt finish the work d.合并成带有同位语的复合句 1. some said it would snow in july. this made him laugh. the idea that made him laugh it would snow in july 2 there would be a storm. this made her want to stay indoors. her beliefthat_ made her want to stay indoors there would be a storm 3 there would be a party on sa