Даю 15 баллов. Плиз очень надобно.Make the following sentences negative. Look

Даю 15 баллов. Плиз очень надо.
Make the following sentences negative. Look at the example first.

Example: Call our friend Tim. Dont call him.

1) Invite Mary to the party. ______________________________________________________

2) Help your friends with this task. ________________________________________________

3) Ask George for help. ________________________________________________________

4) Drive my sister to the airport. __________________________________________________

5) Write to Julie and Mark. ______________________________________________________