I can invalidate you can invalidate she can invalidate we can invalidate you can invalidate they can invalidate
Forme en V-ing
I can be invalidating you can be invalidating she can be invalidating we can be invalidating you can be invalidating they can be invalidating
Perfect
I can have invalidated you can have invalidated she 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 she can have been invalidating we can have been invalidating you can have been invalidating they can have been invalidating
Négation
Forme simple
I can't invalidate you can't invalidate she can't invalidate we can't invalidate you can't invalidate they can't invalidate
Forme en V-ing
I can't be invalidating you can't be invalidating she can't be invalidating we can't be invalidating you can't be invalidating they can't be invalidating
Perfect
I can't have invalidated you can't have invalidated she can't have invalidated we can't have invalidated you can't have invalidated they can't have invalidated
Perfect en V-ing
I can't have been invalidating you can't have been invalidating she can't have been invalidating we can't have been invalidating you can't have been invalidating they can't have been invalidating
Forme interrogative
Forme simple
can I invalidate? can you invalidate? can she invalidate? can we invalidate? can you invalidate? can they invalidate?
Forme en V-ing
can I be invalidating? can you be invalidating? can she be invalidating? can we be invalidating? can you be invalidating? can they be invalidating?
Perfect
can I have invalidated? can you have invalidated? can she 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 she have been invalidating? can we have been invalidating? can you have been invalidating? can they have been invalidating?
Forme interro-négative
Forme simple
can't I invalidate? can't you invalidate? can't she invalidate? can't we invalidate? can't you invalidate? can't they invalidate?
Forme en V-ing
can't I be invalidating? can't you be invalidating? can't she be invalidating? can't we be invalidating? can't you be invalidating? can't they be invalidating?
Perfect
can't I have invalidated? can't you have invalidated? can't she have invalidated? can't we have invalidated? can't you have invalidated? can't they have invalidated?
Perfect en V-ing
can't I have been invalidating? can't you have been invalidating? can't she have been invalidating? can't we have been invalidating? can't you have been invalidating? can't they have been invalidating?