I can reduce you can reduce he can reduce we can reduce you can reduce they can reduce
Forme en V-ing
I can be reducing you can be reducing he can be reducing we can be reducing you can be reducing they can be reducing
Perfect
I can have reduced you can have reduced he can have reduced we can have reduced you can have reduced they can have reduced
Perfect en V-ing
I can have been reducing you can have been reducing he can have been reducing we can have been reducing you can have been reducing they can have been reducing
Négation
Forme simple
I can't reduce you can't reduce he can't reduce we can't reduce you can't reduce they can't reduce
Forme en V-ing
I can't be reducing you can't be reducing he can't be reducing we can't be reducing you can't be reducing they can't be reducing
Perfect
I can't have reduced you can't have reduced he can't have reduced we can't have reduced you can't have reduced they can't have reduced
Perfect en V-ing
I can't have been reducing you can't have been reducing he can't have been reducing we can't have been reducing you can't have been reducing they can't have been reducing
Forme interrogative
Forme simple
can I reduce? can you reduce? can he reduce? can we reduce? can you reduce? can they reduce?
Forme en V-ing
can I be reducing? can you be reducing? can he be reducing? can we be reducing? can you be reducing? can they be reducing?
Perfect
can I have reduced? can you have reduced? can he have reduced? can we have reduced? can you have reduced? can they have reduced?
Perfect en V-ing
can I have been reducing? can you have been reducing? can he have been reducing? can we have been reducing? can you have been reducing? can they have been reducing?
Forme interro-négative
Forme simple
can't I reduce? can't you reduce? can't he reduce? can't we reduce? can't you reduce? can't they reduce?
Forme en V-ing
can't I be reducing? can't you be reducing? can't he be reducing? can't we be reducing? can't you be reducing? can't they be reducing?
Perfect
can't I have reduced? can't you have reduced? can't he have reduced? can't we have reduced? can't you have reduced? can't they have reduced?
Perfect en V-ing
can't I have been reducing? can't you have been reducing? can't he have been reducing? can't we have been reducing? can't you have been reducing? can't they have been reducing?