I know her telepone number改为否定句 I____

1.I know her phone number.(改为否定句) I( )( )her phone number.2. 句型转换I know her telephone number改为否定句They are English girls主语 i know her name .(改为否定句) I know her name 改为否定句 her telephone number is 改为否定句 I know her sister（改为疑问句和否定句） I know her brother very well.怎么改为否定句 Nick'parents know my phone number改为否定句 I know the answer 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 teacher.(改为否定句)