must propagate
Regular verb: propagate - propagated- propagated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must propagate
you must propagate
he must propagate
we must propagate
you must propagate
they must propagate 	I must be propagating
you must be propagating
he must be propagating
we must be propagating
you must be propagating
they must be propagating	I must have propagated
you must have propagated
he must have propagated
we must have propagated
you must have propagated
they must have propagated	I must have been propagating
you must have been propagating
he must have been propagating
we must have been propagating
you must have been propagating
they must have been propagating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not propagate
you must not propagate
he must not propagate
we must not propagate
you must not propagate
they must not propagate 	I must not be propagating
you must not be propagating
he must not be propagating
we must not be propagating
you must not be propagating
they must not be propagating	I must not have propagated
you must not have propagated
he must not have propagated
we must not have propagated
you must not have propagated
they must not have propagated	I must not have been propagating
you must not have been propagating
he must not have been propagating
we must not have been propagating
you must not have been propagating
they must not have been propagating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I propagate?
must you propagate?
must he propagate?
must we propagate?
must you propagate?
must they propagate? 	must I be propagating?
must you be propagating?
must he be propagating?
must we be propagating?
must you be propagating?
must they be propagating? 	must I have propagated?
must you have propagated?
must he have propagated?
must we have propagated?
must you have propagated?
must they have propagated? 	must I have been propagating?
must you have been propagating?
must he have been propagating?
must we have been propagating?
must you have been propagating?
must they have been propagating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not propagate?
must you not propagate?
must he not propagate?
must we not propagate?
must you not propagate?
must they not propagate? 	must I not be propagating?
must you not be propagating?
must he not be propagating?
must we not be propagating?
must you not be propagating?
must they not be propagating? 	must I not have propagated?
must you not have propagated?
must he not have propagated?
must we not have propagated?
must you not have propagated?
must they not have propagated? 	must I not have been propagating?
must you not have been propagating?
must he not have been propagating?
must we not have been propagating?
must you not have been propagating?
must they not have been propagating?