English verb conjugation
MUST FINISH

Regular verb: finish - finished - finished

Affirmation

Simple form	V-ing form
I must finish you must finish she must finish we must finish you must finish they must finish	I must be finishing you must be finishing she must be finishing we must be finishing you must be finishing they must be finishing
Perfect	V-ing perfect
I must have finished you must have finished she must have finished we must have finished you must have finished they must have finished	I must have been finishing you must have been finishing she must have been finishing we must have been finishing you must have been finishing they must have been finishing

Negation

Simple form	V-ing form
I must not finish you must not finish she must not finish we must not finish you must not finish they must not finish	I must not be finishing you must not be finishing she must not be finishing we must not be finishing you must not be finishing they must not be finishing
Perfect	V-ing perfect
I must not have finished you must not have finished she must not have finished we must not have finished you must not have finished they must not have finished	I must not have been finishing you must not have been finishing she must not have been finishing we must not have been finishing you must not have been finishing they must not have been finishing

Interrogative form

Simple form	V-ing form
must I finish? must you finish? must she finish? must we finish? must you finish? must they finish?	must I be finishing? must you be finishing? must she be finishing? must we be finishing? must you be finishing? must they be finishing?
Perfect	V-ing perfect
must I have finished? must you have finished? must she have finished? must we have finished? must you have finished? must they have finished?	must I have been finishing? must you have been finishing? must she have been finishing? must we have been finishing? must you have been finishing? must they have been finishing?

Interro-negative form

Simple form	V-ing form
must I not finish? must you not finish? must she not finish? must we not finish? must you not finish? must they not finish?	must I not be finishing? must you not be finishing? must she not be finishing? must we not be finishing? must you not be finishing? must they not be finishing?
Perfect	V-ing perfect
must I not have finished? must you not have finished? must she not have finished? must we not have finished? must you not have finished? must they not have finished?	must I not have been finishing? must you not have been finishing? must she not have been finishing? must we not have been finishing? must you not have been finishing? must they not have been finishing?