英语丨被动语态全攻略
动词语态是中考的高频考点，尤其是在短文填空中，今天小唯唯给大家分享的就是被动语态的相关知识点。
- 被动语态的使用情况
（1）当不知道或没有必要指出动作的执行者时，往往不用by 短语。如：
Mr. White， the cup was broken after class.
怀特先生，这只茶杯是下课后被打碎的。
（2）突出或强调动作的承受者，英语丨被动语态全攻略，如果需要说出动作的执行者，用by 短语。如：
These records were made by John Denver.
这些报道是被约翰·丹佛做的。
- 被动语态中谓语动词的基本构成
be + done
- 被动语态的构成
（1）一般现在时：am / is / are + done。如：
①People grow rice in the south of the country.
→Rice is grown in the south of the country.
稻米在这个国家的南部被种植。
②The school doesn’t allow us to enter the chemistry lab without a teacher.
→We are not allowed to enter the chemistry lab without a teacher.
我们不被允许在没有老师的情况下进入化学实验室。
（2）一般过去时：was / were + done。如：
①They agreed on the building of a new car factory last month.
→The building of a new car factory was agreed on last month.
建立一个新的汽车工厂在上个月被一致同意。
②The students didn’t forget their lessons easily.
→Their lessons were not easily forgotten.
他们的功课没有被轻易遗忘。
（3）一般将来时：will + be done。如：
①They will send cars abroad by sea.
→Cars will be sent abroad by sea.