Помогите решить пожалуйста

1. if you drive along the river bank it will be twenty miles out of your way.
2. if you take your mobile phone into class, it must be turned off.
3. we dont use calculators when we write tests.
4. if you push this button, the volume will increase.
5. if you close the door, it will lock automatically.
6. mary will meet her friends from italy if she come to the party.
7. if you lend me the money, i will pay you back next month.
8. they will not let you into the cinema if you lose your tickets.
9. if my sister travel to Japan,she will buy a kimono for me.

5 If you close the door, it closes automatically.
6 Mary will meet her friends from Italy if she comeS to the party.
9 If my sister travelS to Japan, she will buy a kimono for me.