Unit5+A+Delicate+World+Using+language 高中英语外研版（2019）选择性必修第二册.pptxVIP

Unit5UsingIceySun

Reviewitasanemptysubjecte.g.Itisvitalforthemnottotakeanychances.e.g.Itisunfortunatethatthefilmisnolongerpopular.theemptysubjecttherealsubject

itasanemptyobject

NovisitorwouldthinkitsurprisingthattheislandisUNESCO...Site.theemptyobjecttherealobject译：没有人会认为这个岛屿是世界遗产这件事是令人惊奇的即.所有人都认为这个岛屿是世界遗产这件事是名副其实的it

Expertsfeltitnecessarytocomeupwithaplantoremovetherabbits.theemptyobjecttherealobject译：专家认为想出计划去移除所有兔子这件事是必要的it

Nowlookformoresentenceswithhisstructureinthereadingpassage,andsummariseitsuseinyourownwords.

it作形式宾语时，真正的宾语是不定式短语、-ing短语或宾语从句1．it代表不定式短语e.g.Tomfeltitinterestingtolearnhowtocheckoutthesystem.2．it代表-ing短语(用得少）3．it代表that引导的宾语从句e.g.TomfeltitinterestingthatMaryalwayshithim.

巴西龟；红耳龟Rewritetheunderlinedpartsusingitasanemptyobject.

1.manypeoplethinkkeepingthisturtleasapetisagoodidea.2.believetoreleasethemintothewildisnobigissue.3.peoplehavefoundtoreleasetheseturtlesintothewildisathreattootherspecies.4.Expertsconsiderownerskeepingtheirpetsinanenclosedareaimprotant.manypeoplethinkitagoodideatokeepthisturtleasapet.believeitnobigissuetoreleasethemintothewild.peoplehavefounditathreattootherspeciestorelease......Expertsconsideritimportantforownerstokeeptheirpetin...

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