English verb conjugation
MUST TALK

Regular verb: talk - talked - talked

Affirmation

Simple form	V-ing form
I must talk you must talk he must talk we must talk you must talk they must talk	I must be talking you must be talking he must be talking we must be talking you must be talking they must be talking
Perfect	V-ing perfect
I must have talked you must have talked he must have talked we must have talked you must have talked they must have talked	I must have been talking you must have been talking he must have been talking we must have been talking you must have been talking they must have been talking

Negation

Simple form	V-ing form
I must not talk you must not talk he must not talk we must not talk you must not talk they must not talk	I must not be talking you must not be talking he must not be talking we must not be talking you must not be talking they must not be talking
Perfect	V-ing perfect
I must not have talked you must not have talked he must not have talked we must not have talked you must not have talked they must not have talked	I must not have been talking you must not have been talking he must not have been talking we must not have been talking you must not have been talking they must not have been talking

Interrogative form

Simple form	V-ing form
must I talk? must you talk? must he talk? must we talk? must you talk? must they talk?	must I be talking? must you be talking? must he be talking? must we be talking? must you be talking? must they be talking?
Perfect	V-ing perfect
must I have talked? must you have talked? must he have talked? must we have talked? must you have talked? must they have talked?	must I have been talking? must you have been talking? must he have been talking? must we have been talking? must you have been talking? must they have been talking?

Interro-negative form

Simple form	V-ing form
must I not talk? must you not talk? must he not talk? must we not talk? must you not talk? must they not talk?	must I not be talking? must you not be talking? must he not be talking? must we not be talking? must you not be talking? must they not be talking?
Perfect	V-ing perfect
must I not have talked? must you not have talked? must he not have talked? must we not have talked? must you not have talked? must they not have talked?	must I not have been talking? must you not have been talking? must he not have been talking? must we not have been talking? must you not have been talking? must they not have been talking?