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
Lostinthought,hedidn’tknowwhathadhappenedoutside
Dressedinblack,sheisdancing
Facedsomanydifficulties,heiscalm
Equippedwithsomuchknowledge,heisconfidenttothefuture
Seatedunderabigtree,Tomistellingjokestous