must explore
Regular verb: explore - explored- explored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must explore
you must explore
he must explore
we must explore
you must explore
they must explore 	I must be exploring
you must be exploring
he must be exploring
we must be exploring
you must be exploring
they must be exploring	I must have explored
you must have explored
he must have explored
we must have explored
you must have explored
they must have explored	I must have been exploring
you must have been exploring
he must have been exploring
we must have been exploring
you must have been exploring
they must have been exploring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not explore
you must not explore
he must not explore
we must not explore
you must not explore
they must not explore 	I must not be exploring
you must not be exploring
he must not be exploring
we must not be exploring
you must not be exploring
they must not be exploring	I must not have explored
you must not have explored
he must not have explored
we must not have explored
you must not have explored
they must not have explored	I must not have been exploring
you must not have been exploring
he must not have been exploring
we must not have been exploring
you must not have been exploring
they must not have been exploring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I explore?
must you explore?
must he explore?
must we explore?
must you explore?
must they explore? 	must I be exploring?
must you be exploring?
must he be exploring?
must we be exploring?
must you be exploring?
must they be exploring? 	must I have explored?
must you have explored?
must he have explored?
must we have explored?
must you have explored?
must they have explored? 	must I have been exploring?
must you have been exploring?
must he have been exploring?
must we have been exploring?
must you have been exploring?
must they have been exploring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not explore?
must you not explore?
must he not explore?
must we not explore?
must you not explore?
must they not explore? 	must I not be exploring?
must you not be exploring?
must he not be exploring?
must we not be exploring?
must you not be exploring?
must they not be exploring? 	must I not have explored?
must you not have explored?
must he not have explored?
must we not have explored?
must you not have explored?
must they not have explored? 	must I not have been exploring?
must you not have been exploring?
must he not have been exploring?
must we not have been exploring?
must you not have been exploring?
must they not have been exploring?