English verb conjugation
CAN DISBELIEVE

Regular verb: disbelieve - disbelieved - disbelieved

Affirmation

Simple form	V-ing form
I can disbelieve you can disbelieve he can disbelieve we can disbelieve you can disbelieve they can disbelieve	I can be disbelieving you can be disbelieving he can be disbelieving we can be disbelieving you can be disbelieving they can be disbelieving
Perfect	V-ing perfect
I can have disbelieved you can have disbelieved he can have disbelieved we can have disbelieved you can have disbelieved they can have disbelieved	I can have been disbelieving you can have been disbelieving he can have been disbelieving we can have been disbelieving you can have been disbelieving they can have been disbelieving

Negation

Simple form	V-ing form
I can't disbelieve you can't disbelieve he can't disbelieve we can't disbelieve you can't disbelieve they can't disbelieve	I can't be disbelieving you can't be disbelieving he can't be disbelieving we can't be disbelieving you can't be disbelieving they can't be disbelieving
Perfect	V-ing perfect
I can't have disbelieved you can't have disbelieved he can't have disbelieved we can't have disbelieved you can't have disbelieved they can't have disbelieved	I can't have been disbelieving you can't have been disbelieving he can't have been disbelieving we can't have been disbelieving you can't have been disbelieving they can't have been disbelieving

Interrogative form

Simple form	V-ing form
can I disbelieve? can you disbelieve? can he disbelieve? can we disbelieve? can you disbelieve? can they disbelieve?	can I be disbelieving? can you be disbelieving? can he be disbelieving? can we be disbelieving? can you be disbelieving? can they be disbelieving?
Perfect	V-ing perfect
can I have disbelieved? can you have disbelieved? can he have disbelieved? can we have disbelieved? can you have disbelieved? can they have disbelieved?	can I have been disbelieving? can you have been disbelieving? can he have been disbelieving? can we have been disbelieving? can you have been disbelieving? can they have been disbelieving?

Interro-negative form

Simple form	V-ing form
can't I disbelieve? can't you disbelieve? can't he disbelieve? can't we disbelieve? can't you disbelieve? can't they disbelieve?	can't I be disbelieving? can't you be disbelieving? can't he be disbelieving? can't we be disbelieving? can't you be disbelieving? can't they be disbelieving?
Perfect	V-ing perfect
can't I have disbelieved? can't you have disbelieved? can't he have disbelieved? can't we have disbelieved? can't you have disbelieved? can't they have disbelieved?	can't I have been disbelieving? can't you have been disbelieving? can't he have been disbelieving? can't we have been disbelieving? can't you have been disbelieving? can't they have been disbelieving?