Помогите пожалуйста исправить ошибки в предложениях: 1) When did you started working together& 2) I don`t see him very often but we keep on touch

2)Нужен ли он для иностранцев;
3)Ну и причины, любые.
Помогите прошу к завтрашнему дню надо.

week,...4 you are not in the park,...5 they were in the room,...6 he can swim well,...7 i shall go to moscow next month,...8 thei are students,...9 we were not in britain

Допоможіть!!!!

1)I know Ben since my childhood
2)Since when did you start to work?
3)George has been the best student since he has entered the University
4)The children have changed a lot in the last time
5)Mr. Brown hasn t been at work for last week

1)how long are you in the world of fashion .
2)when did you start working in fashion.
3)how did it start .
4)what do you like about your work.
5)what don't you like about you work.
6)is it important to be trendy.
7)whft is your advice for thoose who want to look good and feel good.

Под каждой цифрой должна быть какая-то ошибка, пожалуйста, помогите исправить)) Заранее спасибо)
1. -They have bought a new house.
-Really? I'd like to see a house.
2. When I was a baby I can't run quickly.
3. That wasn't a good book, was that?
4. This is your bike, isn't this?
5. Her lesson starts at 10 o'clock. She mustn't get up at 6 o'clock.
6. I didn't have any stamps at home. I must go to the post-office.

7. Did he must see the doctor last week?
8. It was late. We must take a taxi.
9. You mustn't get up early. It's Sunday.
10. Kate mustn't go to the doctor. She is not ill.

Под каждой цифрой должна быть какая-то ошибка, пожалуйста, помогите исправить)) Заранее спасибо)