Unit 2 Sports Culture 长难句分析课件 -2023-2024学年高中英语牛津译林版2020选择性必修第二册

Unit 1 Reading 1 The evolution of video and sound devices 高中英语 选择性必修（第二册） Unit 2 Sports culture Learning aims: By the end of this class, you will be able to: Learn to identify the structure of articles； Learn to analyze long and complex sentences; Learn to use sentence patterns and get much writing practice. 2 Pattern1教材P16 The ancient Olympic Games were held at Olympia in Greece every four years for almost 12 centuries, until they eventually died out around the year 393. 古代奥运会每四年在希腊奥林匹亚举行一次,持续了近12个世纪,直到公元 393年左右消失。 句式剖析： 本句是一个复合句,until 引导的是时间状语从句。until 意为到......时;直到......为止”,既可以做连词引导句子,又可以做介词,其后跟名词(短语)或副词,在句中时可以和 till互换。 考点提炼：until 做介词和连词的用法 （1）until 用作介词时,后可接名词或副词。 They moved here in 2002. Until then they'd always been in the London area． 他们2002年搬到这里，之前一直住在伦敦地区。 （2）until用作连词时，引导时间状语从句。 ①若主句为肯定句，主句的谓语动词要用延续性动词，表示动作或状态一直持续到until所表示的时间才停止。until 意为“直到......为止”。 You may stay here ______________________. 你可以在这里待到雨停。 He decided to wait ____________________, even if he had been hungry. 他决定等比尔回家，即使他已经饿了。 until the rain stops until Bill got home ②若主句为否定句，主句的谓语动词要用非延续性动词，表示动作直到until所表示的时间才开始。not...until...意为“直到......才......”。 You _______________what you are able to do _______________. 你尝试了才知道你能做什么。 She helped me pack and ______________ the airport ______________________________. 她帮我收拾行李，直到看到我的飞机起飞才离开机场。 don't know until you try did not leave until she saw my plane take off 归纳拓展: （1）till和until一般情况下可以互换，但通常情况下，till不可以位于句首，而until可以。 The shop's open ______________________________at night on Fridays. 这家商店周五营业到晚上9点。 （2）not until．．．位于句首时，主句要用部分倒装结构（即把助动词、系动词be、情态动词等置于主语之前），且用肯定形式，注意从句不倒装。 ____________________ know he must have been involved in a traffic accident. 直到那时我才知道他一定是遭遇了交通事故。 （3）not...until...用于强调句型时not和until 必须放在一起，即构成句型 It is／was not until...that...，that后面的句子要用肯定形式，且应用陈述句语序。 ____________________________we knew the girl would receive an operation the next day. 直到那时我们才知道这个女孩第二天将要接受手术。 till/until nine o'clock Not until then did I It was not until then tha