周囲（高校･塾･予備校）の英語教師に以下の分詞句（出典はあえて秘匿。分かる人には分かるはず）をどう考えたらいいのか尋ねてみてください｡文例については、問題の所在の頁から適当に選んでもいただいても結構です｡
　「(1)は-ed分詞句（過去分詞句）、(2)は-ing分詞句（現在分詞句）」などという返答は論外です｡

(1) The spy, carefully hidden in the bushes, kept watch on the house.
(2) The spy, carefully hiding in the bushes, kept watch on the house.

(a) The boys knowing him well didn't believe him.
(b) The boys, knowing him well, didn't believe him.