I must mature you must mature he must mature we must mature you must mature they must mature
Forme en V-ing
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
I must have matured you must have matured he must have matured we must have matured you must have matured they must have matured
Perfect en V-ing
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
Négation
Forme simple
I mustn't mature you mustn't mature he mustn't mature we mustn't mature you mustn't mature they mustn't mature
Forme en V-ing
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
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
Perfect en V-ing
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
Forme interrogative
Forme simple
must I mature? must you mature? must he mature? must we mature? must you mature? must they mature?
Forme en V-ing
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
must I have matured? must you have matured? must he have matured? must we have matured? must you have matured? must they have matured?
Perfect en V-ing
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?
Forme interro-négative
Forme simple
mustn't I mature? mustn't you mature? mustn't he mature? mustn't we mature? mustn't you mature? mustn't they mature?
Forme en V-ing
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
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?
Perfect en V-ing
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?