English verb conjugation
CAN PAPER-TRAIN

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

Affirmation

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

Negation

Simple form	V-ing form
I can't paper-train you can't paper-train he can't paper-train we can't paper-train you can't paper-train they can't paper-train	I can't be paper-training you can't be paper-training he can't be paper-training we can't be paper-training you can't be paper-training they can't be paper-training
Perfect	V-ing perfect
I can't have paper-trained you can't have paper-trained he can't have paper-trained we can't have paper-trained you can't have paper-trained they can't have paper-trained	I can't have been paper-training you can't have been paper-training he can't have been paper-training we can't have been paper-training you can't have been paper-training they can't have been paper-training

Interrogative form

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

Interro-negative form

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