English verb conjugation
MUST PROSPER

Regular verb: prosper - prospered - prospered

Affirmation

Simple form	V-ing form
I must prosper you must prosper he must prosper we must prosper you must prosper they must prosper	I must be prospering you must be prospering he must be prospering we must be prospering you must be prospering they must be prospering
Perfect	V-ing perfect
I must have prospered you must have prospered he must have prospered we must have prospered you must have prospered they must have prospered	I must have been prospering you must have been prospering he must have been prospering we must have been prospering you must have been prospering they must have been prospering

Negation

Simple form	V-ing form
I must not prosper you must not prosper he must not prosper we must not prosper you must not prosper they must not prosper	I must not be prospering you must not be prospering he must not be prospering we must not be prospering you must not be prospering they must not be prospering
Perfect	V-ing perfect
I must not have prospered you must not have prospered he must not have prospered we must not have prospered you must not have prospered they must not have prospered	I must not have been prospering you must not have been prospering he must not have been prospering we must not have been prospering you must not have been prospering they must not have been prospering

Interrogative form

Simple form	V-ing form
must I prosper? must you prosper? must he prosper? must we prosper? must you prosper? must they prosper?	must I be prospering? must you be prospering? must he be prospering? must we be prospering? must you be prospering? must they be prospering?
Perfect	V-ing perfect
must I have prospered? must you have prospered? must he have prospered? must we have prospered? must you have prospered? must they have prospered?	must I have been prospering? must you have been prospering? must he have been prospering? must we have been prospering? must you have been prospering? must they have been prospering?

Interro-negative form

Simple form	V-ing form
must I not prosper? must you not prosper? must he not prosper? must we not prosper? must you not prosper? must they not prosper?	must I not be prospering? must you not be prospering? must he not be prospering? must we not be prospering? must you not be prospering? must they not be prospering?
Perfect	V-ing perfect
must I not have prospered? must you not have prospered? must he not have prospered? must we not have prospered? must you not have prospered? must they not have prospered?	must I not have been prospering? must you not have been prospering? must he not have been prospering? must we not have been prospering? must you not have been prospering? must they not have been prospering?