English verb conjugation
MUST INTERJOIN

Regular verb: interjoin - interjoined - interjoined

Affirmation

Simple form	V-ing form
I must interjoin you must interjoin she must interjoin we must interjoin you must interjoin they must interjoin	I must be interjoining you must be interjoining she must be interjoining we must be interjoining you must be interjoining they must be interjoining
Perfect	V-ing perfect
I must have interjoined you must have interjoined she must have interjoined we must have interjoined you must have interjoined they must have interjoined	I must have been interjoining you must have been interjoining she must have been interjoining we must have been interjoining you must have been interjoining they must have been interjoining

Negation

Simple form	V-ing form
I must not interjoin you must not interjoin she must not interjoin we must not interjoin you must not interjoin they must not interjoin	I must not be interjoining you must not be interjoining she must not be interjoining we must not be interjoining you must not be interjoining they must not be interjoining
Perfect	V-ing perfect
I must not have interjoined you must not have interjoined she must not have interjoined we must not have interjoined you must not have interjoined they must not have interjoined	I must not have been interjoining you must not have been interjoining she must not have been interjoining we must not have been interjoining you must not have been interjoining they must not have been interjoining

Interrogative form

Simple form	V-ing form
must I interjoin? must you interjoin? must she interjoin? must we interjoin? must you interjoin? must they interjoin?	must I be interjoining? must you be interjoining? must she be interjoining? must we be interjoining? must you be interjoining? must they be interjoining?
Perfect	V-ing perfect
must I have interjoined? must you have interjoined? must she have interjoined? must we have interjoined? must you have interjoined? must they have interjoined?	must I have been interjoining? must you have been interjoining? must she have been interjoining? must we have been interjoining? must you have been interjoining? must they have been interjoining?

Interro-negative form

Simple form	V-ing form
must I not interjoin? must you not interjoin? must she not interjoin? must we not interjoin? must you not interjoin? must they not interjoin?	must I not be interjoining? must you not be interjoining? must she not be interjoining? must we not be interjoining? must you not be interjoining? must they not be interjoining?
Perfect	V-ing perfect
must I not have interjoined? must you not have interjoined? must she not have interjoined? must we not have interjoined? must you not have interjoined? must they not have interjoined?	must I not have been interjoining? must you not have been interjoining? must she not have been interjoining? must we not have been interjoining? must you not have been interjoining? must they not have been interjoining?