He bought me a pen yesterday 改为被动语态

He bought me a pen yesterday 改为被动语态 My father bought me a bike yesterday.改为被动语态的两种改法 my mother bought a microwave oven yesterday 改为被动语态 My father bought a new computer yesterday改为被动语态 将Mother bought me a cap yesterday.改成被动语态 He bought the flowers for me .（改为被动语态） My friend gave a pen to me yesterday.被动语态 My mother bought me a present yesterday.(改为被动） he offered me a bairband yesterday 变被动语态 My father bought me a phone yesterday.(改成被动语态） 变被动语态 My father bought me a bike yesterday.This morning the HE WILL SEND ME A BIRTHDAY CAKE.改为被动语态