I can background you can background she can background we can background you can background they can background
Forme en V-ing
I can be backgrounding you can be backgrounding she can be backgrounding we can be backgrounding you can be backgrounding they can be backgrounding
Perfect
I can have backgrounded you can have backgrounded she can have backgrounded we can have backgrounded you can have backgrounded they can have backgrounded
Perfect en V-ing
I can have been backgrounding you can have been backgrounding she can have been backgrounding we can have been backgrounding you can have been backgrounding they can have been backgrounding
Négation
Forme simple
I cannot background you cannot background she cannot background we cannot background you cannot background they cannot background
Forme en V-ing
I cannot be backgrounding you cannot be backgrounding she cannot be backgrounding we cannot be backgrounding you cannot be backgrounding they cannot be backgrounding
Perfect
I cannot have backgrounded you cannot have backgrounded she cannot have backgrounded we cannot have backgrounded you cannot have backgrounded they cannot have backgrounded
Perfect en V-ing
I cannot have been backgrounding you cannot have been backgrounding she cannot have been backgrounding we cannot have been backgrounding you cannot have been backgrounding they cannot have been backgrounding
Forme interrogative
Forme simple
can I background? can you background? can she background? can we background? can you background? can they background?
Forme en V-ing
can I be backgrounding? can you be backgrounding? can she be backgrounding? can we be backgrounding? can you be backgrounding? can they be backgrounding?
Perfect
can I have backgrounded? can you have backgrounded? can she have backgrounded? can we have backgrounded? can you have backgrounded? can they have backgrounded?
Perfect en V-ing
can I have been backgrounding? can you have been backgrounding? can she have been backgrounding? can we have been backgrounding? can you have been backgrounding? can they have been backgrounding?
Forme interro-négative
Forme simple
can I not background? can you not background? can she not background? can we not background? can you not background? can they not background?
Forme en V-ing
can I not be backgrounding? can you not be backgrounding? can she not be backgrounding? can we not be backgrounding? can you not be backgrounding? can they not be backgrounding?
Perfect
can I not have backgrounded? can you not have backgrounded? can she not have backgrounded? can we not have backgrounded? can you not have backgrounded? can they not have backgrounded?
Perfect en V-ing
can I not have been backgrounding? can you not have been backgrounding? can she not have been backgrounding? can we not have been backgrounding? can you not have been backgrounding? can they not have been backgrounding?