Проверьте пожалуйста составленные вопросительные предложения из данного.

[Flamingo]

"I was on watch at 6:00". Я был на вахте в 6:00.

1.Who was on watch at 6:00?
2.Was you on watch at 6:00?
3.Where was you at 6:00?
4.What time was you on watch?
5.When was you on watch?
6.Why was you on watch at 6:00?
7.How often was you on watch at 6:00?
8.I was on watch at 6:00, wasn't I?
9.Was you on watch at 6:00, or not?
10.How long was you on watch?

[Elena_59]

У глагола to be в Past Simple 2 формы was и were. Во всех вопросах, где действие выполняет you меняете was на were.

[Flamingo]

Спасибо.