По моему realized но done тоже может подойти
Must -более категорично: должен, обязан: You must do your homework.
Had to - Должен, приходится по обстоятельствам : Granny is ill . We have to visit her.
<span>Had to заменяет must в прошедшем времени</span>
1) If we hurry we'll get on time.
2)You'll get wet if it rains.
3)If I win the compotition I'll have a big party.
4)We'll walk home if the bus doesn't come.
5)We'll be late if we don't leave now.
6)If you break my camera I'll be angry.
7)The party won't be fun if you don't come.
8)If you wear a coat you'll not be cold.
пожалуйста.