must parasitize
Regular verb: parasitize - parasitized- parasitized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must parasitize
you must parasitize
he must parasitize
we must parasitize
you must parasitize
they must parasitize 	I must be parasitizing
you must be parasitizing
he must be parasitizing
we must be parasitizing
you must be parasitizing
they must be parasitizing	I must have parasitized
you must have parasitized
he must have parasitized
we must have parasitized
you must have parasitized
they must have parasitized	I must have been parasitizing
you must have been parasitizing
he must have been parasitizing
we must have been parasitizing
you must have been parasitizing
they must have been parasitizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not parasitize
you must not parasitize
he must not parasitize
we must not parasitize
you must not parasitize
they must not parasitize 	I must not be parasitizing
you must not be parasitizing
he must not be parasitizing
we must not be parasitizing
you must not be parasitizing
they must not be parasitizing	I must not have parasitized
you must not have parasitized
he must not have parasitized
we must not have parasitized
you must not have parasitized
they must not have parasitized	I must not have been parasitizing
you must not have been parasitizing
he must not have been parasitizing
we must not have been parasitizing
you must not have been parasitizing
they must not have been parasitizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I parasitize?
must you parasitize?
must he parasitize?
must we parasitize?
must you parasitize?
must they parasitize? 	must I be parasitizing?
must you be parasitizing?
must he be parasitizing?
must we be parasitizing?
must you be parasitizing?
must they be parasitizing? 	must I have parasitized?
must you have parasitized?
must he have parasitized?
must we have parasitized?
must you have parasitized?
must they have parasitized? 	must I have been parasitizing?
must you have been parasitizing?
must he have been parasitizing?
must we have been parasitizing?
must you have been parasitizing?
must they have been parasitizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not parasitize?
must you not parasitize?
must he not parasitize?
must we not parasitize?
must you not parasitize?
must they not parasitize? 	must I not be parasitizing?
must you not be parasitizing?
must he not be parasitizing?
must we not be parasitizing?
must you not be parasitizing?
must they not be parasitizing? 	must I not have parasitized?
must you not have parasitized?
must he not have parasitized?
must we not have parasitized?
must you not have parasitized?
must they not have parasitized? 	must I not have been parasitizing?
must you not have been parasitizing?
must he not have been parasitizing?
must we not have been parasitizing?
must you not have been parasitizing?
must they not have been parasitizing?