must populate
Regular verb: populate - populated- populated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must populate
you must populate
he must populate
we must populate
you must populate
they must populate 	I must be populating
you must be populating
he must be populating
we must be populating
you must be populating
they must be populating	I must have populated
you must have populated
he must have populated
we must have populated
you must have populated
they must have populated	I must have been populating
you must have been populating
he must have been populating
we must have been populating
you must have been populating
they must have been populating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not populate
you must not populate
he must not populate
we must not populate
you must not populate
they must not populate 	I must not be populating
you must not be populating
he must not be populating
we must not be populating
you must not be populating
they must not be populating	I must not have populated
you must not have populated
he must not have populated
we must not have populated
you must not have populated
they must not have populated	I must not have been populating
you must not have been populating
he must not have been populating
we must not have been populating
you must not have been populating
they must not have been populating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I populate?
must you populate?
must he populate?
must we populate?
must you populate?
must they populate? 	must I be populating?
must you be populating?
must he be populating?
must we be populating?
must you be populating?
must they be populating? 	must I have populated?
must you have populated?
must he have populated?
must we have populated?
must you have populated?
must they have populated? 	must I have been populating?
must you have been populating?
must he have been populating?
must we have been populating?
must you have been populating?
must they have been populating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not populate?
must you not populate?
must he not populate?
must we not populate?
must you not populate?
must they not populate? 	must I not be populating?
must you not be populating?
must he not be populating?
must we not be populating?
must you not be populating?
must they not be populating? 	must I not have populated?
must you not have populated?
must he not have populated?
must we not have populated?
must you not have populated?
must they not have populated? 	must I not have been populating?
must you not have been populating?
must he not have been populating?
must we not have been populating?
must you not have been populating?
must they not have been populating?