must seize
Regular verb: seize - seized- seized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must seize
you must seize
she must seize
we must seize
you must seize
they must seize 	I must be seizing
you must be seizing
she must be seizing
we must be seizing
you must be seizing
they must be seizing	I must have seized
you must have seized
she must have seized
we must have seized
you must have seized
they must have seized	I must have been seizing
you must have been seizing
she must have been seizing
we must have been seizing
you must have been seizing
they must have been seizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not seize
you must not seize
she must not seize
we must not seize
you must not seize
they must not seize 	I must not be seizing
you must not be seizing
she must not be seizing
we must not be seizing
you must not be seizing
they must not be seizing	I must not have seized
you must not have seized
she must not have seized
we must not have seized
you must not have seized
they must not have seized	I must not have been seizing
you must not have been seizing
she must not have been seizing
we must not have been seizing
you must not have been seizing
they must not have been seizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I seize?
must you seize?
must she seize?
must we seize?
must you seize?
must they seize? 	must I be seizing?
must you be seizing?
must she be seizing?
must we be seizing?
must you be seizing?
must they be seizing? 	must I have seized?
must you have seized?
must she have seized?
must we have seized?
must you have seized?
must they have seized? 	must I have been seizing?
must you have been seizing?
must she have been seizing?
must we have been seizing?
must you have been seizing?
must they have been seizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not seize?
must you not seize?
must she not seize?
must we not seize?
must you not seize?
must they not seize? 	must I not be seizing?
must you not be seizing?
must she not be seizing?
must we not be seizing?
must you not be seizing?
must they not be seizing? 	must I not have seized?
must you not have seized?
must she not have seized?
must we not have seized?
must you not have seized?
must they not have seized? 	must I not have been seizing?
must you not have been seizing?
must she not have been seizing?
must we not have been seizing?
must you not have been seizing?
must they not have been seizing?