must prospect
Regular verb: prospect - prospected- prospected

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must prospect
you must prospect
she must prospect
we must prospect
you must prospect
they must prospect 	I must be prospecting
you must be prospecting
she must be prospecting
we must be prospecting
you must be prospecting
they must be prospecting	I must have prospected
you must have prospected
she must have prospected
we must have prospected
you must have prospected
they must have prospected	I must have been prospecting
you must have been prospecting
she must have been prospecting
we must have been prospecting
you must have been prospecting
they must have been prospecting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not prospect
you must not prospect
she must not prospect
we must not prospect
you must not prospect
they must not prospect 	I must not be prospecting
you must not be prospecting
she must not be prospecting
we must not be prospecting
you must not be prospecting
they must not be prospecting	I must not have prospected
you must not have prospected
she must not have prospected
we must not have prospected
you must not have prospected
they must not have prospected	I must not have been prospecting
you must not have been prospecting
she must not have been prospecting
we must not have been prospecting
you must not have been prospecting
they must not have been prospecting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I prospect?
must you prospect?
must she prospect?
must we prospect?
must you prospect?
must they prospect? 	must I be prospecting?
must you be prospecting?
must she be prospecting?
must we be prospecting?
must you be prospecting?
must they be prospecting? 	must I have prospected?
must you have prospected?
must she have prospected?
must we have prospected?
must you have prospected?
must they have prospected? 	must I have been prospecting?
must you have been prospecting?
must she have been prospecting?
must we have been prospecting?
must you have been prospecting?
must they have been prospecting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not prospect?
must you not prospect?
must she not prospect?
must we not prospect?
must you not prospect?
must they not prospect? 	must I not be prospecting?
must you not be prospecting?
must she not be prospecting?
must we not be prospecting?
must you not be prospecting?
must they not be prospecting? 	must I not have prospected?
must you not have prospected?
must she not have prospected?
must we not have prospected?
must you not have prospected?
must they not have prospected? 	must I not have been prospecting?
must you not have been prospecting?
must she not have been prospecting?
must we not have been prospecting?
must you not have been prospecting?
must they not have been prospecting?