2020-2021学年新教材高中英语Unit6Nurturingnature突破语法大冲关学案外研版选择性必修第一册

-1-Unit6NurturingnatureUnit6Nurturingnature现在完成进行时[观察例句]1．ThetrainhasbeenracingalongsteadilysinceitleftXining.2．Allthistime，thesong“SkyRailway”hasbeenplayinginsidemyhead.3．WildanimalssuchastheseTibetanantelopeshavenowbeenusingthesepassagesforyears.4．Thejourneyhasbeenflyingby，andbeforeIknowit，wehavereachedTanggulaStation.5．TheQinghai­TibetPlateauhasbeenattractingpeople'sadmirationforcenturies.[归纳用法]1．现在完成进行时的构成现在完成进行时是由“have/hasbeen＋现在分词”构成的。Heisill.He'sbeenlyingsbeenlyinginbedforthreeweeks.他病了。已经卧床3个星期了。Youreyesarered.HaveyoubeenHaveyoubeencrying?你眼睛红了。你刚刚哭过了吗？Whathaveyoubeenhaveyoubeendoingallthistime?这半天你干什么来着？2．现在完成进行时的用法①表示动作从过去某时开始，一直延续到现在。现在完成进行时常和allthistime，thisweek，thismonth，allnight，allthemorning，recently等状语以及since和for引导的状语连用。IhavebeenreadinghavebeenreadingHemingway'sFarewelltoArmsrecentlyrecently.我最近一直在读海明威的《永别了，武器》。Shehasbeenrecitinghasbeenrecitingthewordsallthemorningallthemorning.她整个上午都在背单词。ThisiswhatIhavebeenexpectingsincehavebeenexpectingsincemychildhood.这是我从小以来就一直期待着的