Rewrite the sentences

I.Rewrite the sentences
1) My phone didn't work last night,so I couldn't send you a message
=>___________________________________
2) Don't play with knife.You will cut you self
=>If__________________________________
3) She like noodles =>____________________
4)Peter is Mary's brother
=>Mary____________________
5) No girl in my class is taller than Hoa
=>Hoa__________________________
6)The girls are beautiful =>What