I must postulate you must postulate she must postulate we must postulate you must postulate they must postulate
V-ing form
I must be postulating you must be postulating she must be postulating we must be postulating you must be postulating they must be postulating
Perfect
I must have postulated you must have postulated she must have postulated we must have postulated you must have postulated they must have postulated
V-ing perfect
I must have been postulating you must have been postulating she must have been postulating we must have been postulating you must have been postulating they must have been postulating
Negation
Simple form
I must not postulate you must not postulate she must not postulate we must not postulate you must not postulate they must not postulate
V-ing form
I must not be postulating you must not be postulating she must not be postulating we must not be postulating you must not be postulating they must not be postulating
Perfect
I must not have postulated you must not have postulated she must not have postulated we must not have postulated you must not have postulated they must not have postulated
V-ing perfect
I must not have been postulating you must not have been postulating she must not have been postulating we must not have been postulating you must not have been postulating they must not have been postulating
Interrogative form
Simple form
must I postulate? must you postulate? must she postulate? must we postulate? must you postulate? must they postulate?
V-ing form
must I be postulating? must you be postulating? must she be postulating? must we be postulating? must you be postulating? must they be postulating?
Perfect
must I have postulated? must you have postulated? must she have postulated? must we have postulated? must you have postulated? must they have postulated?
V-ing perfect
must I have been postulating? must you have been postulating? must she have been postulating? must we have been postulating? must you have been postulating? must they have been postulating?
Interro-negative form
Simple form
must I not postulate? must you not postulate? must she not postulate? must we not postulate? must you not postulate? must they not postulate?
V-ing form
must I not be postulating? must you not be postulating? must she not be postulating? must we not be postulating? must you not be postulating? must they not be postulating?
Perfect
must I not have postulated? must you not have postulated? must she not have postulated? must we not have postulated? must you not have postulated? must they not have postulated?
V-ing perfect
must I not have been postulating? must you not have been postulating? must she not have been postulating? must we not have been postulating? must you not have been postulating? must they not have been postulating?