I must to do this .
I have to go .
I need to go at the gym.
I should to do my homework .
They ought to respect the law
The problem is that you shouldn't say you're ready .
Mom said we needn''t worry too much .
What we mustn't forget is that there are two different things .
Mai , problema e ca sunt foarte obosita si nu foarte atenta. In mare cred ca propozitiile sunt ok