By half eleven all the lights were out. необходимо вопросы 5

1. General question. Were all the lights out by half eleven?
2. Special question. By what time were all the lights out?
3. Alternative question. Were the lights out by half eleven or by half past eleven?
4. Disjunctive question. By half eleven all the lights were out, werent them?
5. Negative form. By half eleven all the lights were not out.