must lexicalize
Regular verb: lexicalize - lexicalized- lexicalized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must lexicalize
you must lexicalize
he must lexicalize
we must lexicalize
you must lexicalize
they must lexicalize 	I must be lexicalizing
you must be lexicalizing
he must be lexicalizing
we must be lexicalizing
you must be lexicalizing
they must be lexicalizing	I must have lexicalized
you must have lexicalized
he must have lexicalized
we must have lexicalized
you must have lexicalized
they must have lexicalized	I must have been lexicalizing
you must have been lexicalizing
he must have been lexicalizing
we must have been lexicalizing
you must have been lexicalizing
they must have been lexicalizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not lexicalize
you must not lexicalize
he must not lexicalize
we must not lexicalize
you must not lexicalize
they must not lexicalize 	I must not be lexicalizing
you must not be lexicalizing
he must not be lexicalizing
we must not be lexicalizing
you must not be lexicalizing
they must not be lexicalizing	I must not have lexicalized
you must not have lexicalized
he must not have lexicalized
we must not have lexicalized
you must not have lexicalized
they must not have lexicalized	I must not have been lexicalizing
you must not have been lexicalizing
he must not have been lexicalizing
we must not have been lexicalizing
you must not have been lexicalizing
they must not have been lexicalizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I lexicalize?
must you lexicalize?
must he lexicalize?
must we lexicalize?
must you lexicalize?
must they lexicalize? 	must I be lexicalizing?
must you be lexicalizing?
must he be lexicalizing?
must we be lexicalizing?
must you be lexicalizing?
must they be lexicalizing? 	must I have lexicalized?
must you have lexicalized?
must he have lexicalized?
must we have lexicalized?
must you have lexicalized?
must they have lexicalized? 	must I have been lexicalizing?
must you have been lexicalizing?
must he have been lexicalizing?
must we have been lexicalizing?
must you have been lexicalizing?
must they have been lexicalizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not lexicalize?
must you not lexicalize?
must he not lexicalize?
must we not lexicalize?
must you not lexicalize?
must they not lexicalize? 	must I not be lexicalizing?
must you not be lexicalizing?
must he not be lexicalizing?
must we not be lexicalizing?
must you not be lexicalizing?
must they not be lexicalizing? 	must I not have lexicalized?
must you not have lexicalized?
must he not have lexicalized?
must we not have lexicalized?
must you not have lexicalized?
must they not have lexicalized? 	must I not have been lexicalizing?
must you not have been lexicalizing?
must he not have been lexicalizing?
must we not have been lexicalizing?
must you not have been lexicalizing?
must they not have been lexicalizing?