English verb conjugation
CAN PRETRAIN

Regular verb: pretrain - pretrained - pretrained

Affirmation

Simple form	V-ing form
I can pretrain you can pretrain he can pretrain we can pretrain you can pretrain they can pretrain	I can be pretraining you can be pretraining he can be pretraining we can be pretraining you can be pretraining they can be pretraining
Perfect	V-ing perfect
I can have pretrained you can have pretrained he can have pretrained we can have pretrained you can have pretrained they can have pretrained	I can have been pretraining you can have been pretraining he can have been pretraining we can have been pretraining you can have been pretraining they can have been pretraining

Negation

Simple form	V-ing form
I cannot pretrain you cannot pretrain he cannot pretrain we cannot pretrain you cannot pretrain they cannot pretrain	I cannot be pretraining you cannot be pretraining he cannot be pretraining we cannot be pretraining you cannot be pretraining they cannot be pretraining
Perfect	V-ing perfect
I cannot have pretrained you cannot have pretrained he cannot have pretrained we cannot have pretrained you cannot have pretrained they cannot have pretrained	I cannot have been pretraining you cannot have been pretraining he cannot have been pretraining we cannot have been pretraining you cannot have been pretraining they cannot have been pretraining

Interrogative form

Simple form	V-ing form
can I pretrain? can you pretrain? can he pretrain? can we pretrain? can you pretrain? can they pretrain?	can I be pretraining? can you be pretraining? can he be pretraining? can we be pretraining? can you be pretraining? can they be pretraining?
Perfect	V-ing perfect
can I have pretrained? can you have pretrained? can he have pretrained? can we have pretrained? can you have pretrained? can they have pretrained?	can I have been pretraining? can you have been pretraining? can he have been pretraining? can we have been pretraining? can you have been pretraining? can they have been pretraining?

Interro-negative form

Simple form	V-ing form
can I not pretrain? can you not pretrain? can he not pretrain? can we not pretrain? can you not pretrain? can they not pretrain?	can I not be pretraining? can you not be pretraining? can he not be pretraining? can we not be pretraining? can you not be pretraining? can they not be pretraining?
Perfect	V-ing perfect
can I not have pretrained? can you not have pretrained? can he not have pretrained? can we not have pretrained? can you not have pretrained? can they not have pretrained?	can I not have been pretraining? can you not have been pretraining? can he not have been pretraining? can we not have been pretraining? can you not have been pretraining? can they not have been pretraining?