I can mature you can mature he can mature we can mature you can mature they can mature
Forme en V-ing
I can be maturing you can be maturing he can be maturing we can be maturing you can be maturing they can be maturing
Perfect
I can have matured you can have matured he can have matured we can have matured you can have matured they can have matured
Perfect en V-ing
I can have been maturing you can have been maturing he can have been maturing we can have been maturing you can have been maturing they can have been maturing
Négation
Forme simple
I can't mature you can't mature he can't mature we can't mature you can't mature they can't mature
Forme en V-ing
I can't be maturing you can't be maturing he can't be maturing we can't be maturing you can't be maturing they can't be maturing
Perfect
I can't have matured you can't have matured he can't have matured we can't have matured you can't have matured they can't have matured
Perfect en V-ing
I can't have been maturing you can't have been maturing he can't have been maturing we can't have been maturing you can't have been maturing they can't have been maturing
Forme interrogative
Forme simple
can I mature? can you mature? can he mature? can we mature? can you mature? can they mature?
Forme en V-ing
can I be maturing? can you be maturing? can he be maturing? can we be maturing? can you be maturing? can they be maturing?
Perfect
can I have matured? can you have matured? can he have matured? can we have matured? can you have matured? can they have matured?
Perfect en V-ing
can I have been maturing? can you have been maturing? can he have been maturing? can we have been maturing? can you have been maturing? can they have been maturing?
Forme interro-négative
Forme simple
can't I mature? can't you mature? can't he mature? can't we mature? can't you mature? can't they mature?
Forme en V-ing
can't I be maturing? can't you be maturing? can't he be maturing? can't we be maturing? can't you be maturing? can't they be maturing?
Perfect
can't I have matured? can't you have matured? can't he have matured? can't we have matured? can't you have matured? can't they have matured?
Perfect en V-ing
can't I have been maturing? can't you have been maturing? can't he have been maturing? can't we have been maturing? can't you have been maturing? can't they have been maturing?