English verb conjugation
MUST POTTY-TRAIN

Regular verb: potty-train - potty-trained - potty-trained

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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