英语：将下列句子改为被动语态1.The boss made the workers work day and night.2.My mother bought me a pen yesdayter.(改成两句,一句是间接宾语作主语,第二句改成直接宾语作主语）3.We call the famous clock in London Big Ben.4.Last Fridday,one of my friends invited me to go yo see a film.

.The workers were made to work day and night by the boss.
2.I was bought a pen by my mother yesterday.
A pen was bought to me by my mother yesterday.
3.The famous clock in London is called the Big Ben.
4.Last Friday, I was invited to go to see a film by one of my friends.

1.The workers were made to work day and night by the boss.
2.①I was bought a pen by my mother yesterday.
②A pen was bought for me yesterday by my mother.
3.The famous clock in London is called Big Ben.
4.Last Friday,I was invited to go to see a film by one of my friends.

1.The workers were made to work day and night by the boss.
2.I was bought a pen by my mother yesterday.(直接宾语作主语)
A pen was bought me by my mother.
3.The famous clock in London is called Big Ben.（省略us)
4.Last Friday,I was invited to go to see a film by one of my friends.