Mary bought me some books yeasterday.改为被动语态

Mary bought me some books yeasterday.改为被动语态 把Mary bought him some flowers改为被动语态 He bought the flowers for me .（改为被动语态） He bought me a pen yesterday 改为被动语态 mary bough him some flowers改为被动语态 The teacher gave me some books被动语态 she gives me some apples,改为被动语态 My uncle bought me an MP3 on my birthday怎么改为被动语态 My father bought me a bike yesterday.改为被动语态的两种改法 改为被动语态：Mary grows beautiful flowers. My mother bought me a book.改为被动语态是 I was bought a book by my 句型转换。 1. We gave away some books to the children.(改为被动语态)