當時態是一般過去時,語態是被動語態時,要用過去式的被動語態。
一般過去時的被動語態時構成是:
助動詞was/were+及物動詞的過去分詞
例句:
1、I sweep the floor yestetday.
→The floor was swept (by me) yestetday.
2、I bought a book last week.
→A book was bought (by me ) last week.
3、We visited their school yeaterday.
→Their school was visited (by us) yesterday.
主語是動作的接受者,一般爲物,表達“某事被人做”,而且是過去被人做的時候,用過去式的被動語態。比如: The book was published last month. 這本書是上個月出版的。