I can calculate you can calculate she can calculate we can calculate you can calculate they can calculate
Forme en V-ing
I can be calculating you can be calculating she can be calculating we can be calculating you can be calculating they can be calculating
Perfect
I can have calculated you can have calculated she can have calculated we can have calculated you can have calculated they can have calculated
Perfect en V-ing
I can have been calculating you can have been calculating she can have been calculating we can have been calculating you can have been calculating they can have been calculating
Négation
Forme simple
I cannot calculate you cannot calculate she cannot calculate we cannot calculate you cannot calculate they cannot calculate
Forme en V-ing
I cannot be calculating you cannot be calculating she cannot be calculating we cannot be calculating you cannot be calculating they cannot be calculating
Perfect
I cannot have calculated you cannot have calculated she cannot have calculated we cannot have calculated you cannot have calculated they cannot have calculated
Perfect en V-ing
I cannot have been calculating you cannot have been calculating she cannot have been calculating we cannot have been calculating you cannot have been calculating they cannot have been calculating
Forme interrogative
Forme simple
can I calculate? can you calculate? can she calculate? can we calculate? can you calculate? can they calculate?
Forme en V-ing
can I be calculating? can you be calculating? can she be calculating? can we be calculating? can you be calculating? can they be calculating?
Perfect
can I have calculated? can you have calculated? can she have calculated? can we have calculated? can you have calculated? can they have calculated?
Perfect en V-ing
can I have been calculating? can you have been calculating? can she have been calculating? can we have been calculating? can you have been calculating? can they have been calculating?
Forme interro-négative
Forme simple
can I not calculate? can you not calculate? can she not calculate? can we not calculate? can you not calculate? can they not calculate?
Forme en V-ing
can I not be calculating? can you not be calculating? can she not be calculating? can we not be calculating? can you not be calculating? can they not be calculating?
Perfect
can I not have calculated? can you not have calculated? can she not have calculated? can we not have calculated? can you not have calculated? can they not have calculated?
Perfect en V-ing
can I not have been calculating? can you not have been calculating? can she not have been calculating? can we not have been calculating? can you not have been calculating? can they not have been calculating?