主動句：My father wrote thebook．我父親寫了這本書。
被動句：The book was written by my father．這本書是我父親寫的
主動句：Our village has built a plasticfactory．我們村已經建了一座塑料廠。
被動句：A plastic factory has been built in our village．一座塑料廠在我們村建成了。
主動句：He gave me a dictionary．他給了我一本詞典。
被動句：I was given a dictionary by him．
被動句：A dictionary was given（to）me by him．詞典是他給我的
主動語態表示主語是動作的執行者，被動語態表示主語是動作的承受者。
被動語態由“助動詞be+及物動詞的過去分詞”或者“情態動詞+be+及物動詞的過去分詞”構成。
1、一般現在時：主語 + am/is/are + 過去分詞
The ball is played ，every day 這個球每天被踢。
2、一般過去時：主語 + was/were + 過去分詞
The classroom was cleaned by us yesterday. 昨天教室被我們打掃了。
3、一般將來時：主語 + shall/will + be + 過去分詞
Will the school sports meeting be held next week? 校運動會將在下星期舉行嗎?
4、過去將來時：主語 + should/would + be + 過去分詞
We told him that the classroom would be cleaned soon. 我們告訴他教室很快就會被打掃的。
5、現在進行時：主語 + am/is/are + being + 過去分詞
We are cleaning the classroom now. 我們現在正在打掃教室
造句：
一般現在時主動句，We clean the classroom everyday.
一般現在時的被動句:The classroom is cleaned by us everyday.
