I must steep you must steep she must steep we must steep you must steep they must steep
Forme en V-ing
I must be steeping you must be steeping she must be steeping we must be steeping you must be steeping they must be steeping
Perfect
I must have steeped you must have steeped she must have steeped we must have steeped you must have steeped they must have steeped
Perfect en V-ing
I must have been steeping you must have been steeping she must have been steeping we must have been steeping you must have been steeping they must have been steeping
Négation
Forme simple
I must not steep you must not steep she must not steep we must not steep you must not steep they must not steep
Forme en V-ing
I must not be steeping you must not be steeping she must not be steeping we must not be steeping you must not be steeping they must not be steeping
Perfect
I must not have steeped you must not have steeped she must not have steeped we must not have steeped you must not have steeped they must not have steeped
Perfect en V-ing
I must not have been steeping you must not have been steeping she must not have been steeping we must not have been steeping you must not have been steeping they must not have been steeping
Forme interrogative
Forme simple
must I steep? must you steep? must she steep? must we steep? must you steep? must they steep?
Forme en V-ing
must I be steeping? must you be steeping? must she be steeping? must we be steeping? must you be steeping? must they be steeping?
Perfect
must I have steeped? must you have steeped? must she have steeped? must we have steeped? must you have steeped? must they have steeped?
Perfect en V-ing
must I have been steeping? must you have been steeping? must she have been steeping? must we have been steeping? must you have been steeping? must they have been steeping?
Forme interro-négative
Forme simple
must I not steep? must you not steep? must she not steep? must we not steep? must you not steep? must they not steep?
Forme en V-ing
must I not be steeping? must you not be steeping? must she not be steeping? must we not be steeping? must you not be steeping? must they not be steeping?
Perfect
must I not have steeped? must you not have steeped? must she not have steeped? must we not have steeped? must you not have steeped? must they not have steeped?
Perfect en V-ing
must I not have been steeping? must you not have been steeping? must she not have been steeping? must we not have been steeping? must you not have been steeping? must they not have been steeping?