Obligation and necessity

Obligation
I have to be there Y tno so lui
I should enter Y dbo tro
I need to speak with you Y nzso dso ct
To express obligation and impersonal necessity:
It is necessary to make the effort Ayo fao sforz
It is not necessary to go N fao do
A lot of patience is needed Nzso mo paza
To ask about obligations and necessities:
What do we have to make? K Ns tno fao?
What should you know? K T dvo sao?
What do you need to say? K T nzso dso?
To express obligation and necessity with the verb tno + k:
What do you have to make? T k tno k fao?
I have to work Y tno k tvo
To express obligation and necessity with the verb nzso:
How long do you need? Kt temp T nzso?
I need one week Nzso on sma
Do you need to speak with somebody? T nzso dso c agen?
I need to speak with her Nzso dso c La
To express obligation and necessity with the verb dvo:
What should I do? K dvo fao?
You should wait T dvo spro
To express obligation and necessity with the verb so:
Is it necessary to do it? So nzsi fao?
Yes, it is very necessary S, so m nzsi