English verb conjugation
MUST ASSUME

Regular verb: assume - assumed - assumed

Affirmation

Simple form	V-ing form
I must assume you must assume he must assume we must assume you must assume they must assume	I must be assuming you must be assuming he must be assuming we must be assuming you must be assuming they must be assuming
Perfect	V-ing perfect
I must have assumed you must have assumed he must have assumed we must have assumed you must have assumed they must have assumed	I must have been assuming you must have been assuming he must have been assuming we must have been assuming you must have been assuming they must have been assuming

Negation

Simple form	V-ing form
I must not assume you must not assume he must not assume we must not assume you must not assume they must not assume	I must not be assuming you must not be assuming he must not be assuming we must not be assuming you must not be assuming they must not be assuming
Perfect	V-ing perfect
I must not have assumed you must not have assumed he must not have assumed we must not have assumed you must not have assumed they must not have assumed	I must not have been assuming you must not have been assuming he must not have been assuming we must not have been assuming you must not have been assuming they must not have been assuming

Interrogative form

Simple form	V-ing form
must I assume? must you assume? must he assume? must we assume? must you assume? must they assume?	must I be assuming? must you be assuming? must he be assuming? must we be assuming? must you be assuming? must they be assuming?
Perfect	V-ing perfect
must I have assumed? must you have assumed? must he have assumed? must we have assumed? must you have assumed? must they have assumed?	must I have been assuming? must you have been assuming? must he have been assuming? must we have been assuming? must you have been assuming? must they have been assuming?

Interro-negative form

Simple form	V-ing form
must I not assume? must you not assume? must he not assume? must we not assume? must you not assume? must they not assume?	must I not be assuming? must you not be assuming? must he not be assuming? must we not be assuming? must you not be assuming? must they not be assuming?
Perfect	V-ing perfect
must I not have assumed? must you not have assumed? must he not have assumed? must we not have assumed? must you not have assumed? must they not have assumed?	must I not have been assuming? must you not have been assuming? must he not have been assuming? must we not have been assuming? must you not have been assuming? must they not have been assuming?