English verb conjugation
CAN BLETHER

Regular verb: blether - blethered - blethered

Affirmation

Simple form	V-ing form
I can blether you can blether he can blether we can blether you can blether they can blether	I can be blethering you can be blethering he can be blethering we can be blethering you can be blethering they can be blethering
Perfect	V-ing perfect
I can have blethered you can have blethered he can have blethered we can have blethered you can have blethered they can have blethered	I can have been blethering you can have been blethering he can have been blethering we can have been blethering you can have been blethering they can have been blethering

Negation

Simple form	V-ing form
I can't blether you can't blether he can't blether we can't blether you can't blether they can't blether	I can't be blethering you can't be blethering he can't be blethering we can't be blethering you can't be blethering they can't be blethering
Perfect	V-ing perfect
I can't have blethered you can't have blethered he can't have blethered we can't have blethered you can't have blethered they can't have blethered	I can't have been blethering you can't have been blethering he can't have been blethering we can't have been blethering you can't have been blethering they can't have been blethering

Interrogative form

Simple form	V-ing form
can I blether? can you blether? can he blether? can we blether? can you blether? can they blether?	can I be blethering? can you be blethering? can he be blethering? can we be blethering? can you be blethering? can they be blethering?
Perfect	V-ing perfect
can I have blethered? can you have blethered? can he have blethered? can we have blethered? can you have blethered? can they have blethered?	can I have been blethering? can you have been blethering? can he have been blethering? can we have been blethering? can you have been blethering? can they have been blethering?

Interro-negative form

Simple form	V-ing form
can't I blether? can't you blether? can't he blether? can't we blether? can't you blether? can't they blether?	can't I be blethering? can't you be blethering? can't he be blethering? can't we be blethering? can't you be blethering? can't they be blethering?
Perfect	V-ing perfect
can't I have blethered? can't you have blethered? can't he have blethered? can't we have blethered? can't you have blethered? can't they have blethered?	can't I have been blethering? can't you have been blethering? can't he have been blethering? can't we have been blethering? can't you have been blethering? can't they have been blethering?