АНГЛИЙСКИЙ!! ! Правильно ли я расставила союзы “till”, “until”, “if”, “unless”, “while”, “before”, “after”??

1. We shall be at the theatre while she’ll look after our children.
2. The shoemaker will repair your shoes if you will wait.
3. The baby won’t stop crying till I’ll feed him.
4. They will go for a walk with us while I’ll be through with my work.
5. I shall stay in his room until I shall look through all the letters.
6. We’ll understand it after you’ll explain it.
7. We shall wait until she will come.
8. They won’t cross the road until The green light is on..
9. They will be in Moscow while they will stay at our place.
10. I’ll show you my article before I’ll publish it.
11. He will let us know before He will leave on Monday..
12. They will give us their new address before they will move into a new flat.
13. I’ll keep your notes, if you will need them.
14. She will ring him up unless she will forget.
15. We won’t be able to go if we shall book the seats in advance.
16. We’ll never know English well unless we shall work hard.
17. He won’t take his examination if He’ll write a test.
18. She can borrow some books from the library after she will return the old ones.
19. My mother will stay at my sister’s house until she will get better.
20. He won’t leave until he’ll receive a positive answer.