I must conjugate you must conjugate he must conjugate we must conjugate you must conjugate they must conjugate
V-ing form
I must be conjugating you must be conjugating he must be conjugating we must be conjugating you must be conjugating they must be conjugating
Perfect
I must have conjugated you must have conjugated he must have conjugated we must have conjugated you must have conjugated they must have conjugated
V-ing perfect
I must have been conjugating you must have been conjugating he must have been conjugating we must have been conjugating you must have been conjugating they must have been conjugating
Negation
Simple form
I must not conjugate you must not conjugate he must not conjugate we must not conjugate you must not conjugate they must not conjugate
V-ing form
I must not be conjugating you must not be conjugating he must not be conjugating we must not be conjugating you must not be conjugating they must not be conjugating
Perfect
I must not have conjugated you must not have conjugated he must not have conjugated we must not have conjugated you must not have conjugated they must not have conjugated
V-ing perfect
I must not have been conjugating you must not have been conjugating he must not have been conjugating we must not have been conjugating you must not have been conjugating they must not have been conjugating
Interrogative form
Simple form
must I conjugate? must you conjugate? must he conjugate? must we conjugate? must you conjugate? must they conjugate?
V-ing form
must I be conjugating? must you be conjugating? must he be conjugating? must we be conjugating? must you be conjugating? must they be conjugating?
Perfect
must I have conjugated? must you have conjugated? must he have conjugated? must we have conjugated? must you have conjugated? must they have conjugated?
V-ing perfect
must I have been conjugating? must you have been conjugating? must he have been conjugating? must we have been conjugating? must you have been conjugating? must they have been conjugating?
Interro-negative form
Simple form
must I not conjugate? must you not conjugate? must he not conjugate? must we not conjugate? must you not conjugate? must they not conjugate?
V-ing form
must I not be conjugating? must you not be conjugating? must he not be conjugating? must we not be conjugating? must you not be conjugating? must they not be conjugating?
Perfect
must I not have conjugated? must you not have conjugated? must he not have conjugated? must we not have conjugated? must you not have conjugated? must they not have conjugated?
V-ing perfect
must I not have been conjugating? must you not have been conjugating? must he not have been conjugating? must we not have been conjugating? must you not have been conjugating? must they not have been conjugating?