将下列句子改成否定句,一般疑问句并对画线句子提问 （紧急）

1。 He wasn't born on September 15th, 1995。
Was he born on September 15th, 1995?
When was he born?
2。 Her mother didn't make a cake for her birthday。
Did her mother make a cake for her birthday ?
What did her mother make for her birthday?
3。 I didn't write an e--mail to my friend just now 。
Did you write an E-mail to your friend just now?
When did you write an E-mail to your friend?
4。 They didn't get to school at 8:00 am。
Did they get to school at 8:00 am?
What time did they get to school?