Помогите пожалуйста ! Сложно и много ( Поставить предложения в отрицательную форму!!!!!

NarutoWallker: 1.They locked all the doors .
2 They will have to leave before Friday.
3.John got up late and missed the bus.
4.It's the biggest house in our street .
5.Playing tennis is tiring.
6.We need new people in our company.
7.They were excited to see the snow.
8.She was talking to her friend on the phone.
вот первая половина

NarutoWallker: 9.I thought she was a very responsible person.
10.The game we played yesterday was very interesting.