I must conjugate you must conjugate she must conjugate we must conjugate you must conjugate they must conjugate
V-ing form
I must be conjugating you must be conjugating she must be conjugating we must be conjugating you must be conjugating they must be conjugating
Perfect
I must have conjugated you must have conjugated she 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 she 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 she 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 she 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 she 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 she 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 she conjugate? must we conjugate? must you conjugate? must they conjugate?
V-ing form
must I be conjugating? must you be conjugating? must she be conjugating? must we be conjugating? must you be conjugating? must they be conjugating?
Perfect
must I have conjugated? must you have conjugated? must she 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 she 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 she 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 she 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 she 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 she not have been conjugating? must we not have been conjugating? must you not have been conjugating? must they not have been conjugating?