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