2018-2019学年高中英语 Unit 22 Environmental Protection Section Ⅰ Warm-up & Lesson 1课时语法精讲 北师大版选修8

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1、Unit22EnvironmentalProtectionSectionⅠWarmup&Lesson1课时语法精讲KESHIYUFAJINGJIANG[语法·预备役]用括号里动词的正确形式完成下面的句子1．Recentreportswarnedthatglobalwarming________terribleclimatechanges.(cause)答案：willcause2．ScientistsfoundthatthetemperatureoftheEarth________bygreenhousegases.(control)答案：iscontrolled3．Expertsadvo

2、catethateachperson________theirpart.(play)答案：play4．Oneday,scientistsbelievethathumanbeings________freelyinspace.(travel)答案：willtravel5．Theteachersaidthattwoplustwo________four.(be)答案：is[语法·讲座]直接引语和间接引语1．定义：我们转述别人的话时，可以引用别人的原话，被引用的部分称为直接引语；用自己的话转述别人的意思，被转述的部分称为间接引语。间接引语多构成宾语从句。2．直接引语和间接引语之间的转换规则(1

3、)人称的变化直接引语中的代词变为间接引语时，要根据句意、情景进行变化。Shesaid“Iambusy.”→Shesaidthatshewasbusy.她说她很忙。Heoftensays,“I'lldogoodformycountry.”→Heoftensayshewilldogoodforhiscountry.他常说他将为国家做有益的事情。⊙强化印证1把下列直接引语变为间接引语1．Shesaid，“Mybrotherwantstogowithme.”→____________________________________________答案：Shesaidherbrotherwante

4、dtogowithher.2．HesaidtoKate,“Whereisyoursisternow？”→______________________________________________答案：HeaskedKatewherehersisterwasthen.3．Mr.Smithsaid,“Jackisagoodworker.”→______________________________________________答案：Mr.SmithsaidJackwasagoodworker.4．Johnsaid,“I'mgoingtoLondonwithmyfather.”→____

5、__________________________________________答案：JohnsaidthathewasgoingtoLondonwithhisfather.5．“Youshouldpaymoreattentiontoyourpronunciation，”theteachersaid.→______________________________________________答案：TheteachersaidthatIshouldpaymoreattentiontomypronunciation.(2)动词时态的变化当主句动词为一般过去时态时，间接引语中的谓语动词按

6、照时态一致的原则，通常要由原时态向过去推一步。列表如下：直接引语间接引语动词时态一般现在时一般过去时现在进行时过去进行时现在完成时过去完成时一般过去时过去完成时过去完成时(不变)一般将来时过去将来时直接引语变间接引语时态不变的几种情况：①当直接引语表示真理或客观事实时，时态不变。“Theearthmovesaroundthesun.”theteachersaid.→Theteachersaidtheearthmovesaroundthesun.②当直接引语动词表示的状态或动作仍在继续时，时态不变。“I'mastudentofSeniorThree.”theboysaid.→Theboya

7、nsweredthatheisastudentofSeniorThree.③当直接引语陈述的是一种目前还反复出现或习惯性的动作时，时态不变。“Igetupatsixo'clockeverymorning.”hesaid.→Hesaidhegetsupatsixo'clockeverymorning.④如果直接引语中有明确的过去时间状语时，时态不变。“Iwasbornin1984.”saidtheboy.→Theboysaidhewa