被动形式表主动意思的短语：共19组belinedwith,belostin,beabsorbedin,beengagedin,bedevotedto,befacedwith,beequippedwith,bedecoratedwith,bedressedin,befurnishedwith,beburiedin,becoveredwith,bedeterminedto,bepreparedfor,beseatedin/at/under以上短语作状语、定语的时候，省略“be”动词即可。如：1.Lostinthought,hedidn’tknowwhathadhappenedoutside.2.Dressedinblack,sheisdancing.3.Facedsomanydifficulties,heiscalm.4.Equippedwithsomuchknowledge,heisconfidenttothefuture.5.Seatedunderabigtree,Tomistellingjokestous.
