English verb conjugation
MUST PAPER-TRAIN

Regular verb: paper-train - paper-trained - paper-trained

Affirmation

Simple form	V-ing form
I must paper-train you must paper-train he must paper-train we must paper-train you must paper-train they must paper-train	I must be paper-training you must be paper-training he must be paper-training we must be paper-training you must be paper-training they must be paper-training
Perfect	V-ing perfect
I must have paper-trained you must have paper-trained he must have paper-trained we must have paper-trained you must have paper-trained they must have paper-trained	I must have been paper-training you must have been paper-training he must have been paper-training we must have been paper-training you must have been paper-training they must have been paper-training

Negation

Simple form	V-ing form
I must not paper-train you must not paper-train he must not paper-train we must not paper-train you must not paper-train they must not paper-train	I must not be paper-training you must not be paper-training he must not be paper-training we must not be paper-training you must not be paper-training they must not be paper-training
Perfect	V-ing perfect
I must not have paper-trained you must not have paper-trained he must not have paper-trained we must not have paper-trained you must not have paper-trained they must not have paper-trained	I must not have been paper-training you must not have been paper-training he must not have been paper-training we must not have been paper-training you must not have been paper-training they must not have been paper-training

Interrogative form

Simple form	V-ing form
must I paper-train? must you paper-train? must he paper-train? must we paper-train? must you paper-train? must they paper-train?	must I be paper-training? must you be paper-training? must he be paper-training? must we be paper-training? must you be paper-training? must they be paper-training?
Perfect	V-ing perfect
must I have paper-trained? must you have paper-trained? must he have paper-trained? must we have paper-trained? must you have paper-trained? must they have paper-trained?	must I have been paper-training? must you have been paper-training? must he have been paper-training? must we have been paper-training? must you have been paper-training? must they have been paper-training?

Interro-negative form

Simple form	V-ing form
must I not paper-train? must you not paper-train? must he not paper-train? must we not paper-train? must you not paper-train? must they not paper-train?	must I not be paper-training? must you not be paper-training? must he not be paper-training? must we not be paper-training? must you not be paper-training? must they not be paper-training?
Perfect	V-ing perfect
must I not have paper-trained? must you not have paper-trained? must he not have paper-trained? must we not have paper-trained? must you not have paper-trained? must they not have paper-trained?	must I not have been paper-training? must you not have been paper-training? must he not have been paper-training? must we not have been paper-training? must you not have been paper-training? must they not have been paper-training?