I know her name 改为否定句

i know her name .(改为否定句) I know her name 改为否定句 I know your name 改为否定句 i know his name改为否定句 I Know his name(改为否定句) I know his name.(改为否定句） I know her brother very well.怎么改为否定句 I know her sister（改为疑问句和否定句） I know that girl's name.(改为否定句） I ___　___that girl‘s name. I know.改为否定句. i know his name.(改为否定句)求大神帮忙啊, I know your name 改为一般疑问句 把Her last name is Smith 改为否定句 I know the answer 改为否定句 I know his teacher.(改为否定句) I know the woman改为否定句 I know him(改为否定句) I know you.(改为否定句)