English verb conjugation
CAN SABER

Regular verb: saber - sabered - sabered

Affirmation

Simple form	V-ing form
I can saber you can saber he can saber we can saber you can saber they can saber	I can be sabering you can be sabering he can be sabering we can be sabering you can be sabering they can be sabering
Perfect	V-ing perfect
I can have sabered you can have sabered he can have sabered we can have sabered you can have sabered they can have sabered	I can have been sabering you can have been sabering he can have been sabering we can have been sabering you can have been sabering they can have been sabering

Negation

Simple form	V-ing form
I can't saber you can't saber he can't saber we can't saber you can't saber they can't saber	I can't be sabering you can't be sabering he can't be sabering we can't be sabering you can't be sabering they can't be sabering
Perfect	V-ing perfect
I can't have sabered you can't have sabered he can't have sabered we can't have sabered you can't have sabered they can't have sabered	I can't have been sabering you can't have been sabering he can't have been sabering we can't have been sabering you can't have been sabering they can't have been sabering

Interrogative form

Simple form	V-ing form
can I saber? can you saber? can he saber? can we saber? can you saber? can they saber?	can I be sabering? can you be sabering? can he be sabering? can we be sabering? can you be sabering? can they be sabering?
Perfect	V-ing perfect
can I have sabered? can you have sabered? can he have sabered? can we have sabered? can you have sabered? can they have sabered?	can I have been sabering? can you have been sabering? can he have been sabering? can we have been sabering? can you have been sabering? can they have been sabering?

Interro-negative form

Simple form	V-ing form
can't I saber? can't you saber? can't he saber? can't we saber? can't you saber? can't they saber?	can't I be sabering? can't you be sabering? can't he be sabering? can't we be sabering? can't you be sabering? can't they be sabering?
Perfect	V-ing perfect
can't I have sabered? can't you have sabered? can't he have sabered? can't we have sabered? can't you have sabered? can't they have sabered?	can't I have been sabering? can't you have been sabering? can't he have been sabering? can't we have been sabering? can't you have been sabering? can't they have been sabering?