I can backfit you can backfit he can backfit we can backfit you can backfit they can backfit
Forme en V-ing
I can be backfiting you can be backfiting he can be backfiting we can be backfiting you can be backfiting they can be backfiting
Perfect
I can have backfit, backfitted you can have backfit, backfitted he can have backfit, backfitted we can have backfit, backfitted you can have backfit, backfitted they can have backfit, backfitted
Perfect en V-ing
I can have been backfiting you can have been backfiting he can have been backfiting we can have been backfiting you can have been backfiting they can have been backfiting
Négation
Forme simple
I cannot backfit you cannot backfit he cannot backfit we cannot backfit you cannot backfit they cannot backfit
Forme en V-ing
I cannot be backfiting you cannot be backfiting he cannot be backfiting we cannot be backfiting you cannot be backfiting they cannot be backfiting
Perfect
I cannot have backfit, backfitted you cannot have backfit, backfitted he cannot have backfit, backfitted we cannot have backfit, backfitted you cannot have backfit, backfitted they cannot have backfit, backfitted
Perfect en V-ing
I cannot have been backfiting you cannot have been backfiting he cannot have been backfiting we cannot have been backfiting you cannot have been backfiting they cannot have been backfiting
Forme interrogative
Forme simple
can I backfit? can you backfit? can he backfit? can we backfit? can you backfit? can they backfit?
Forme en V-ing
can I be backfiting? can you be backfiting? can he be backfiting? can we be backfiting? can you be backfiting? can they be backfiting?
Perfect
can I have backfit, backfitted? can you have backfit, backfitted? can he have backfit, backfitted? can we have backfit, backfitted? can you have backfit, backfitted? can they have backfit, backfitted?
Perfect en V-ing
can I have been backfiting? can you have been backfiting? can he have been backfiting? can we have been backfiting? can you have been backfiting? can they have been backfiting?
Forme interro-négative
Forme simple
can I not backfit? can you not backfit? can he not backfit? can we not backfit? can you not backfit? can they not backfit?
Forme en V-ing
can I not be backfiting? can you not be backfiting? can he not be backfiting? can we not be backfiting? can you not be backfiting? can they not be backfiting?
Perfect
can I not have backfit, backfitted? can you not have backfit, backfitted? can he not have backfit, backfitted? can we not have backfit, backfitted? can you not have backfit, backfitted? can they not have backfit, backfitted?
Perfect en V-ing
can I not have been backfiting? can you not have been backfiting? can he not have been backfiting? can we not have been backfiting? can you not have been backfiting? can they not have been backfiting?