I can invalidate you can invalidate he can invalidate we can invalidate you can invalidate they can invalidate
Forme en V-ing
I can be invalidating you can be invalidating he can be invalidating we can be invalidating you can be invalidating they can be invalidating
Perfect
I can have invalidated you can have invalidated he can have invalidated we can have invalidated you can have invalidated they can have invalidated
Perfect en V-ing
I can have been invalidating you can have been invalidating he can have been invalidating we can have been invalidating you can have been invalidating they can have been invalidating
Négation
Forme simple
I cannot invalidate you cannot invalidate he cannot invalidate we cannot invalidate you cannot invalidate they cannot invalidate
Forme en V-ing
I cannot be invalidating you cannot be invalidating he cannot be invalidating we cannot be invalidating you cannot be invalidating they cannot be invalidating
Perfect
I cannot have invalidated you cannot have invalidated he cannot have invalidated we cannot have invalidated you cannot have invalidated they cannot have invalidated
Perfect en V-ing
I cannot have been invalidating you cannot have been invalidating he cannot have been invalidating we cannot have been invalidating you cannot have been invalidating they cannot have been invalidating
Forme interrogative
Forme simple
can I invalidate? can you invalidate? can he invalidate? can we invalidate? can you invalidate? can they invalidate?
Forme en V-ing
can I be invalidating? can you be invalidating? can he be invalidating? can we be invalidating? can you be invalidating? can they be invalidating?
Perfect
can I have invalidated? can you have invalidated? can he have invalidated? can we have invalidated? can you have invalidated? can they have invalidated?
Perfect en V-ing
can I have been invalidating? can you have been invalidating? can he have been invalidating? can we have been invalidating? can you have been invalidating? can they have been invalidating?
Forme interro-négative
Forme simple
can I not invalidate? can you not invalidate? can he not invalidate? can we not invalidate? can you not invalidate? can they not invalidate?
Forme en V-ing
can I not be invalidating? can you not be invalidating? can he not be invalidating? can we not be invalidating? can you not be invalidating? can they not be invalidating?
Perfect
can I not have invalidated? can you not have invalidated? can he not have invalidated? can we not have invalidated? can you not have invalidated? can they not have invalidated?
Perfect en V-ing
can I not have been invalidating? can you not have been invalidating? can he not have been invalidating? can we not have been invalidating? can you not have been invalidating? can they not have been invalidating?