English verb conjugation
MUST MATURE

Regular verb: mature - matured - matured

Affirmation

Simple form	V-ing form
I must mature you must mature he must mature we must mature you must mature they must mature	I must be maturing you must be maturing he must be maturing we must be maturing you must be maturing they must be maturing
Perfect	V-ing perfect
I must have matured you must have matured he must have matured we must have matured you must have matured they must have matured	I must have been maturing you must have been maturing he must have been maturing we must have been maturing you must have been maturing they must have been maturing

Negation

Simple form	V-ing form
I mustn't mature you mustn't mature he mustn't mature we mustn't mature you mustn't mature they mustn't mature	I mustn't be maturing you mustn't be maturing he mustn't be maturing we mustn't be maturing you mustn't be maturing they mustn't be maturing
Perfect	V-ing perfect
I mustn't have matured you mustn't have matured he mustn't have matured we mustn't have matured you mustn't have matured they mustn't have matured	I mustn't have been maturing you mustn't have been maturing he mustn't have been maturing we mustn't have been maturing you mustn't have been maturing they mustn't have been maturing

Interrogative form

Simple form	V-ing form
must I mature? must you mature? must he mature? must we mature? must you mature? must they mature?	must I be maturing? must you be maturing? must he be maturing? must we be maturing? must you be maturing? must they be maturing?
Perfect	V-ing perfect
must I have matured? must you have matured? must he have matured? must we have matured? must you have matured? must they have matured?	must I have been maturing? must you have been maturing? must he have been maturing? must we have been maturing? must you have been maturing? must they have been maturing?

Interro-negative form

Simple form	V-ing form
mustn't I mature? mustn't you mature? mustn't he mature? mustn't we mature? mustn't you mature? mustn't they mature?	mustn't I be maturing? mustn't you be maturing? mustn't he be maturing? mustn't we be maturing? mustn't you be maturing? mustn't they be maturing?
Perfect	V-ing perfect
mustn't I have matured? mustn't you have matured? mustn't he have matured? mustn't we have matured? mustn't you have matured? mustn't they have matured?	mustn't I have been maturing? mustn't you have been maturing? mustn't he have been maturing? mustn't we have been maturing? mustn't you have been maturing? mustn't they have been maturing?