English verb conjugation
CAN CLABBER

Regular verb: clabber - clabbered - clabbered

Affirmation

Simple form	V-ing form
I can clabber you can clabber she can clabber we can clabber you can clabber they can clabber	I can be clabbering you can be clabbering she can be clabbering we can be clabbering you can be clabbering they can be clabbering
Perfect	V-ing perfect
I can have clabbered you can have clabbered she can have clabbered we can have clabbered you can have clabbered they can have clabbered	I can have been clabbering you can have been clabbering she can have been clabbering we can have been clabbering you can have been clabbering they can have been clabbering

Negation

Simple form	V-ing form
I can't clabber you can't clabber she can't clabber we can't clabber you can't clabber they can't clabber	I can't be clabbering you can't be clabbering she can't be clabbering we can't be clabbering you can't be clabbering they can't be clabbering
Perfect	V-ing perfect
I can't have clabbered you can't have clabbered she can't have clabbered we can't have clabbered you can't have clabbered they can't have clabbered	I can't have been clabbering you can't have been clabbering she can't have been clabbering we can't have been clabbering you can't have been clabbering they can't have been clabbering

Interrogative form

Simple form	V-ing form
can I clabber? can you clabber? can she clabber? can we clabber? can you clabber? can they clabber?	can I be clabbering? can you be clabbering? can she be clabbering? can we be clabbering? can you be clabbering? can they be clabbering?
Perfect	V-ing perfect
can I have clabbered? can you have clabbered? can she have clabbered? can we have clabbered? can you have clabbered? can they have clabbered?	can I have been clabbering? can you have been clabbering? can she have been clabbering? can we have been clabbering? can you have been clabbering? can they have been clabbering?

Interro-negative form

Simple form	V-ing form
can't I clabber? can't you clabber? can't she clabber? can't we clabber? can't you clabber? can't they clabber?	can't I be clabbering? can't you be clabbering? can't she be clabbering? can't we be clabbering? can't you be clabbering? can't they be clabbering?
Perfect	V-ing perfect
can't I have clabbered? can't you have clabbered? can't she have clabbered? can't we have clabbered? can't you have clabbered? can't they have clabbered?	can't I have been clabbering? can't you have been clabbering? can't she have been clabbering? can't we have been clabbering? can't you have been clabbering? can't they have been clabbering?