Unit 8 Literature 语法知识课件-2023-2024学年高中英语北师大版（2019）选择性必修第三册

Unit 8 语法知识精讲 1     find+宾语+宾语补足语 The janitor found him lying in bed helplessly with pain yesterday morning.昨天早晨,看门人发 现他痛苦且无助地躺在床上。(教材P31) 结构1 用法归纳 ①在“find+宾语+宾语补足语”结构中,宾语通常为　　    或代词,宾语补足语可由名词(短 语)、　　    、副词、介词短语、不定式(短语)、　　　 　　    或过去分词(短语)充当。 ②在“find+宾语+宾语补足语”结构中,宾语补足语是现在分词(短语)时,表示　　    或进 行;宾语补足语是过去分词(短语)时,表示　　    或完成。 名词 形容词 现在分词（短语） 主动 被动 Unit 8 语法知识精讲 特别提醒 若“find+宾语+宾语补足语”结构变为被动形式,则原来的宾语变为主语,宾语补足语变为 主语补足语。 结构拓展 当不定式(短语)或从句作宾语时,为了保持句子的结构平衡,通常用it作形式宾语,而将真正 的宾语放在宾语补足语后面,构成“find it+宾语补足语+to do/that...”。 •He found it difficult to learn English well.他发现学好英语很难。     so...as to do...结构 If master would be so good as to hold onto my shoulder, master would swim with much greater ease.如果主人能抓牢我的肩膀,主人会游得轻松很多。 (教材P36) 结构2 情景导学 He ran so fast as to catch the last bus.他跑得很快,赶上了那辆末班车。 (读后续写—动作描 写) The survey contained so many errors as to make it worthless.调查中太多的错误使之变得毫无 价值。 用法归纳 “so...as to do...结构”意为“　　　　 　    ”,此结构中,so修饰形容词或　　    ,as后接不定式(短语)作结果状语。 结构拓展 ①“so as to do...结构”表示“为了,以便”,可以与in order to do...互换,但“so as to do...结 构”一般不能置于句首。不定式(短语)在句中作目的状语,否定形式常用not to do...。 •We should learn a lesson from our mistakes so as to be a better person in the future.我们要从 错误中吸取教训,以便在将来成为更好的人。 ②so...that...与so...as to do...意义相同,表示“如此……以至于……”,引导结果状语从句。 •The building is so big that I'm completely lost.这座建筑物是如此大,以至于我完全迷路 了。 (人教必修一) 如此……以至于…… 副词     It seems/seemed as if...似乎/好像…… It seemed to me as if a cry answered him.我感觉似乎一声呼喊回应了他。 (教材P36) 结构3 情景导学 The scenery is so fantastic that it seems as if you were in a fairyland.这景色美得仿佛你置身于 仙境。 (读后续写—环境描写) His drawing is so lifelike that it seems as if the horses are going to come out of the paper.他的 画栩栩如生,就好像马要从纸里出来一样。 While I read I sighed, for it seemed as if all joy had vanished from the world, never to be re- stored.我一边看书,一边叹息着,因为好像所有的欢乐都从世界上消失了,永远不会再恢复 了。 用法归纳 (1)在该句型中,as if在系动词seem后引导　　    从句。 (2)as if引导的从句的语气: ①当从句所述的是真实的或极有可能发生或存在的事情时,从句用陈述语气。 ②当从句所述的是不真实的或不太可能发生或存在的事情时,从句用　　    语气: a.表