I'm tired because I work very long hours. (gentle advice)
You could ...
I have classes at 9 pm, so I always go to bed late. (strong advice)
You [ should / ought to / shouldn't / oughtn't to ] ...
I study a lot, but I never get 100% on tests at school. (very strong advice)
You [ must / have to ] ...
I have a long weekend, so I really want to have fun. (gentle advice)
You could ...
I'm not vegetarian, but I don't eat any fruit or vegetables. (strong advice)
You [ should / ought to / shouldn't / oughtn't to ] ...
I want a better car because I hate public transportation. (very strong advice)
You [ must / have to ] ...
I have a lot of free time, but I don't have money. (gentle advice)
You could ...
I want to study in another country, but my parents don't want me to go. (strong advice)
You [ should / ought to / shouldn't / oughtn't to ] ...
I have a party on Saturday, but I don't want to go. (very strong advice)
You [ must / have to ] ...
I'm singing in public next week, but I have a terrible voice. (gentle advice)
You could ...
I live in a very small apartment, but I'd like to have a pet. (strong advice)
You [ should / ought to / shouldn't / oughtn't to ] ...
I need a new phone, but I get little money from work. (very strong advice)
You [ must / have to ] ...
