"be+過去分詞"這個結構并不都是被動語態(tài),也可能是系表結構。被動語態(tài)與系表結構主要區(qū)別是:被動結構表示一個動作,而系表結構表示主語的特點或所處的狀態(tài),試比較下面的句子:
被動結構
The enemy was soon surrounded by us.
系表結構
The house is surrounded by trees.
被動結構
She was bitten by the dog in the darkness.
系表結構
I was excited by the news that my husband got promoted.
被動結構
The enemy was soon surrounded by us.
系表結構
The house is surrounded by trees.
被動結構
She was bitten by the dog in the darkness.
系表結構
I was excited by the news that my husband got promoted.