A) должен обязательно, неизбежность; b) вынужденность (в силу непредвиденных обстоятельств); c) обусловленность планом, договоренностью; d) должен (следует по моему мнению, совету); f) следует, должен (это твой моральный долг); e) нет необходимости (нужды); g) реальная возможность , умение; h) разрешение

1.i used to play this game. 2.they used to be friends many years ago. 3.we used to play tennis. 4.she used to have long hair. 5.i used to love he. 6.he used to be there. 7. we used to go there every day. 8.this dog used to live there. 9.i used to like this book. 10. she used to have black hair. 1.i would go to the shop tomorrow. 2.she would leave this place. 3.he would like this book. 4.we would go to the park this afternoon. 5.i wold like to eat that ice-cream. 6.she wold like to know that. 7.he would choose it. 8.they would be friends, i think. 9.who would do it? 10.i would do it. : )