must depressurize
Regular verb: depressurize - depressurized- depressurized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must depressurize
you must depressurize
she must depressurize
we must depressurize
you must depressurize
they must depressurize 	I must be depressurizing
you must be depressurizing
she must be depressurizing
we must be depressurizing
you must be depressurizing
they must be depressurizing	I must have depressurized
you must have depressurized
she must have depressurized
we must have depressurized
you must have depressurized
they must have depressurized	I must have been depressurizing
you must have been depressurizing
she must have been depressurizing
we must have been depressurizing
you must have been depressurizing
they must have been depressurizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not depressurize
you must not depressurize
she must not depressurize
we must not depressurize
you must not depressurize
they must not depressurize 	I must not be depressurizing
you must not be depressurizing
she must not be depressurizing
we must not be depressurizing
you must not be depressurizing
they must not be depressurizing	I must not have depressurized
you must not have depressurized
she must not have depressurized
we must not have depressurized
you must not have depressurized
they must not have depressurized	I must not have been depressurizing
you must not have been depressurizing
she must not have been depressurizing
we must not have been depressurizing
you must not have been depressurizing
they must not have been depressurizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I depressurize?
must you depressurize?
must she depressurize?
must we depressurize?
must you depressurize?
must they depressurize? 	must I be depressurizing?
must you be depressurizing?
must she be depressurizing?
must we be depressurizing?
must you be depressurizing?
must they be depressurizing? 	must I have depressurized?
must you have depressurized?
must she have depressurized?
must we have depressurized?
must you have depressurized?
must they have depressurized? 	must I have been depressurizing?
must you have been depressurizing?
must she have been depressurizing?
must we have been depressurizing?
must you have been depressurizing?
must they have been depressurizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not depressurize?
must you not depressurize?
must she not depressurize?
must we not depressurize?
must you not depressurize?
must they not depressurize? 	must I not be depressurizing?
must you not be depressurizing?
must she not be depressurizing?
must we not be depressurizing?
must you not be depressurizing?
must they not be depressurizing? 	must I not have depressurized?
must you not have depressurized?
must she not have depressurized?
must we not have depressurized?
must you not have depressurized?
must they not have depressurized? 	must I not have been depressurizing?
must you not have been depressurizing?
must she not have been depressurizing?
must we not have been depressurizing?
must you not have been depressurizing?
must they not have been depressurizing?