Change the sentences into the negative form: She will sign her

Change the sentences into the negative form: She will sign her name to the letter- She will not sign her name to the letter.
1.He will are us at three oclock.
2.She will be back in an your
3.He will be the best student in the class
4. They will arrive on the two oclock train
5. She will meet us here
6. I shall bring the medicine with me
7. He will wait for us on the comer
8. They will return next month
9. She will help us with the work
10. I shall leave at three oclock