Unit5 Revealing nature Developing ideas 语言点高中英语外研版（2019）选择性必修第一册.pptx

TheSecretLanguageofPlants(Langaugepoints)

Manycultureshavestoriesoftalkingtreesthatgiveadviceaswellaswarningstopeople.AlexandertheGreatandMarcoPoloweresaidtohavevisitedsuchatreeinIndia.aswellas和，也，又...besaidtohavedonesth.据说...已经做了某事

1aswellas【词汇拓展】aswellas意为“和……一样好”，和；aswellas作介词相当于besides,意思为“除……之外,还有”,后面通常接名词或动词-ing形式,尤其是位于句首时。aswell是副词短语,其意思为“也”,相当于too,它一般放在句末,有时和连词and或but搭配使用。Aswellaseatingfiveapples,theydranksevenbottlesofwine.HespeaksChineseaswellasJane.

Itisinhisbestinterestsaswellasyours.Theyvisitedsomefactories,hospitalsaswellastheschool.

当用作主语的成分后面跟有由but,except,besides,including,like,with,aswellas,alongwith,inadditionto,ratherthan,togetherwith等引出的短语时，谓语动词习惯上要与这些结构前面的主语保持一致（就远一致）。1、Tomaswellashisparents_________(enjoy)fishing.2、Youaswellasyourbrother____________(praise).enjoysarepraised

2Iamsorrytohavekeptyouwaiting.Theypretendedtohavefinishedthejob.tohavevisitedsuchatree是不定式的完成式。如果不定式所表示的动作发生在谓语动词之前,就要用完成式。

2【句式拓展】(1)不定式的一般式所表示的动作通常与谓语的动作或状态同时或几乎同时发生,或是在它之后发生。(2)如果谓语动词的动作(情况)发生时,不定式表示的动作正在进行,这时,不定式就要用进行式。(3)动词expect,intend,plan,hope,mean,promise,suppose,think,want,wish等的过去式加不定式的完成式,或他们的过去完成时加不定式的一般式表示过去没有实现的愿望、期待或计划等。Iplantoattendthemeetingtobeheldtomorrow.Hehappenedtobepassingbywhentheaccidenthappened.Iintendedtohavecalledonyou,butIhadanunexpectedvisitor.不定式的完成式句式拓展

Withuslongbelievingthattalkingplantsarefantasy,newresearchhasrevealedsomethingamazing:itappearsthatplantscancommunicateafterall.appear似乎，好像(不用于进行时)Thereappearedtobenosignificantdifferencebetweenthetwogroups.②Themanappearedtohavehadaheartattack.③Itappearsthattherehasbeenamistake.

Ithasbeenknownforsometimethatplantsusechemicalstocommunicatewitheachother.Translation人们早就知道植物可以利用化学物质相互交流。

3【句式拓展】(1)that从句作主语时,可以用it来替换成以下几种结构:①Itis+名词短语+从句:这样的名