must luteinize
Regular verb: luteinize - luteinized- luteinized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must luteinize
you must luteinize
he must luteinize
we must luteinize
you must luteinize
they must luteinize 	I must be luteinizing
you must be luteinizing
he must be luteinizing
we must be luteinizing
you must be luteinizing
they must be luteinizing	I must have luteinized
you must have luteinized
he must have luteinized
we must have luteinized
you must have luteinized
they must have luteinized	I must have been luteinizing
you must have been luteinizing
he must have been luteinizing
we must have been luteinizing
you must have been luteinizing
they must have been luteinizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not luteinize
you must not luteinize
he must not luteinize
we must not luteinize
you must not luteinize
they must not luteinize 	I must not be luteinizing
you must not be luteinizing
he must not be luteinizing
we must not be luteinizing
you must not be luteinizing
they must not be luteinizing	I must not have luteinized
you must not have luteinized
he must not have luteinized
we must not have luteinized
you must not have luteinized
they must not have luteinized	I must not have been luteinizing
you must not have been luteinizing
he must not have been luteinizing
we must not have been luteinizing
you must not have been luteinizing
they must not have been luteinizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I luteinize?
must you luteinize?
must he luteinize?
must we luteinize?
must you luteinize?
must they luteinize? 	must I be luteinizing?
must you be luteinizing?
must he be luteinizing?
must we be luteinizing?
must you be luteinizing?
must they be luteinizing? 	must I have luteinized?
must you have luteinized?
must he have luteinized?
must we have luteinized?
must you have luteinized?
must they have luteinized? 	must I have been luteinizing?
must you have been luteinizing?
must he have been luteinizing?
must we have been luteinizing?
must you have been luteinizing?
must they have been luteinizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not luteinize?
must you not luteinize?
must he not luteinize?
must we not luteinize?
must you not luteinize?
must they not luteinize? 	must I not be luteinizing?
must you not be luteinizing?
must he not be luteinizing?
must we not be luteinizing?
must you not be luteinizing?
must they not be luteinizing? 	must I not have luteinized?
must you not have luteinized?
must he not have luteinized?
must we not have luteinized?
must you not have luteinized?
must they not have luteinized? 	must I not have been luteinizing?
must you not have been luteinizing?
must he not have been luteinizing?
must we not have been luteinizing?
must you not have been luteinizing?
must they not have been luteinizing?