改为被动语态My mother looks after my little brother和We heard her sing the next room

my mother bought a microwave oven yesterday 改为被动语态 my mother gave me a present for my birthday改为被动语态要说明为什么! My mother always makes me a cake on my birthday将它改为被动语态啊 改为被动语态：my mother made a big cake last month My mother made this skirt last month （改为被动语态） My mother made this skirt last month改为被动语态 求解析与范句 my mother often asks me to do some dishes on weekends 改为被动语态 mother allows me to go shopping with my friends.(改为被动语态) 改为被动语态My mother looks after my little brother和We heard her sing the next room I lost my mind改为被动语态I lost my watch 这一句也改为被动语态 改为被动语态：The postman delivered a newspaper this morning My mother gave me a present yesterday改为被动语态：The postman delivered a newspaper this morningMy mother gave me a present yesterday my mother often makes something delicious的被动语态 My mother made some cookies for dinner.被动语态 my mother had me wash hands.(被动语态) 把下列语句改成被动语态My mother look after my little brother.We heard her sing in the next room. 被动语态改为主动语态 改为被动语态（题）1.I can't answer this question.(改为被动语态)This question _____ _____ _____.2.My mother cleaned up the rooms every day.(改为被动语态)The rooms _____ _____ _____ my mother every day.3.Parents should't allow us t 改为被动语态 能改几题是几题