can pretrain
Regular verb: pretrain - pretrained- pretrained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
I can't pretrain
you can't pretrain
he can't pretrain
we can't pretrain
you can't pretrain
they can't pretrain 	I can't be pretraining
you can't be pretraining
he can't be pretraining
we can't be pretraining
you can't be pretraining
they can't be pretraining	I can't have pretrained
you can't have pretrained
he can't have pretrained
we can't have pretrained
you can't have pretrained
they can't have pretrained	I can't have been pretraining
you can't have been pretraining
he can't have been pretraining
we can't have been pretraining
you can't have been pretraining
they can't have been pretraining	

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