English verb conjugation
CAN TRAP

Regular verb: trap - trapped - trapped

Affirmation

Simple form	V-ing form
I can trap you can trap he can trap we can trap you can trap they can trap	I can be trapping you can be trapping he can be trapping we can be trapping you can be trapping they can be trapping
Perfect	V-ing perfect
I can have trapped you can have trapped he can have trapped we can have trapped you can have trapped they can have trapped	I can have been trapping you can have been trapping he can have been trapping we can have been trapping you can have been trapping they can have been trapping

Negation

Simple form	V-ing form
I can't trap you can't trap he can't trap we can't trap you can't trap they can't trap	I can't be trapping you can't be trapping he can't be trapping we can't be trapping you can't be trapping they can't be trapping
Perfect	V-ing perfect
I can't have trapped you can't have trapped he can't have trapped we can't have trapped you can't have trapped they can't have trapped	I can't have been trapping you can't have been trapping he can't have been trapping we can't have been trapping you can't have been trapping they can't have been trapping

Interrogative form

Simple form	V-ing form
can I trap? can you trap? can he trap? can we trap? can you trap? can they trap?	can I be trapping? can you be trapping? can he be trapping? can we be trapping? can you be trapping? can they be trapping?
Perfect	V-ing perfect
can I have trapped? can you have trapped? can he have trapped? can we have trapped? can you have trapped? can they have trapped?	can I have been trapping? can you have been trapping? can he have been trapping? can we have been trapping? can you have been trapping? can they have been trapping?

Interro-negative form

Simple form	V-ing form
can't I trap? can't you trap? can't he trap? can't we trap? can't you trap? can't they trap?	can't I be trapping? can't you be trapping? can't he be trapping? can't we be trapping? can't you be trapping? can't they be trapping?
Perfect	V-ing perfect
can't I have trapped? can't you have trapped? can't he have trapped? can't we have trapped? can't you have trapped? can't they have trapped?	can't I have been trapping? can't you have been trapping? can't he have been trapping? can't we have been trapping? can't you have been trapping? can't they have been trapping?