English verb conjugation
CAN PASS

Regular verb: pass - passed - passed

Affirmation

Simple form	V-ing form
I can pass you can pass he can pass we can pass you can pass they can pass	I can be passing you can be passing he can be passing we can be passing you can be passing they can be passing
Perfect	V-ing perfect
I can have passed you can have passed he can have passed we can have passed you can have passed they can have passed	I can have been passing you can have been passing he can have been passing we can have been passing you can have been passing they can have been passing

Negation

Simple form	V-ing form
I can't pass you can't pass he can't pass we can't pass you can't pass they can't pass	I can't be passing you can't be passing he can't be passing we can't be passing you can't be passing they can't be passing
Perfect	V-ing perfect
I can't have passed you can't have passed he can't have passed we can't have passed you can't have passed they can't have passed	I can't have been passing you can't have been passing he can't have been passing we can't have been passing you can't have been passing they can't have been passing

Interrogative form

Simple form	V-ing form
can I pass? can you pass? can he pass? can we pass? can you pass? can they pass?	can I be passing? can you be passing? can he be passing? can we be passing? can you be passing? can they be passing?
Perfect	V-ing perfect
can I have passed? can you have passed? can he have passed? can we have passed? can you have passed? can they have passed?	can I have been passing? can you have been passing? can he have been passing? can we have been passing? can you have been passing? can they have been passing?

Interro-negative form

Simple form	V-ing form
can't I pass? can't you pass? can't he pass? can't we pass? can't you pass? can't they pass?	can't I be passing? can't you be passing? can't he be passing? can't we be passing? can't you be passing? can't they be passing?
Perfect	V-ing perfect
can't I have passed? can't you have passed? can't he have passed? can't we have passed? can't you have passed? can't they have passed?	can't I have been passing? can't you have been passing? can't he have been passing? can't we have been passing? can't you have been passing? can't they have been passing?