新课标人教版课件系列高中英语选修( 模块）7-3.2Learning about language Explanation depths:thedepthoftheocean海洋深处shore:distancefromthetoptothedown深度thelandalongtheedgeoftheseaorocean岸，滨somewheretoliveorstay,oftenalsoprovidingfoodorotherservices住宿intheperiodoftimebetweentwotimesortwoevents其间；同时accommodation:inthemeantime:agroupofanimalsthathunttogetherorarekeptforhuntingthesportoractivityofswimmingunderwaterwithasnorkelpack:snorkeling:Grammar1.动名词的被动语态-ing形式的被动语态，其构成为beingdone，可在句中作主语，表语，宾语，宾语补足语，定语和状语，但不能单独作谓语，其完成形式为
