English verb conjugation
CAN CLABBER

Regular verb: clabber - clabbered - clabbered

Affirmation

Simple form	V-ing form
I can clabber you can clabber he can clabber we can clabber you can clabber they can clabber	I can be clabbering you can be clabbering he 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 he 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 he 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 cannot clabber you cannot clabber he cannot clabber we cannot clabber you cannot clabber they cannot clabber	I cannot be clabbering you cannot be clabbering he cannot be clabbering we cannot be clabbering you cannot be clabbering they cannot be clabbering
Perfect	V-ing perfect
I cannot have clabbered you cannot have clabbered he cannot have clabbered we cannot have clabbered you cannot have clabbered they cannot have clabbered	I cannot have been clabbering you cannot have been clabbering he cannot have been clabbering we cannot have been clabbering you cannot have been clabbering they cannot have been clabbering

Interrogative form

Simple form	V-ing form
can I clabber? can you clabber? can he clabber? can we clabber? can you clabber? can they clabber?	can I be clabbering? can you be clabbering? can he 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 he 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 he 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 I not clabber? can you not clabber? can he not clabber? can we not clabber? can you not clabber? can they not clabber?	can I not be clabbering? can you not be clabbering? can he not be clabbering? can we not be clabbering? can you not be clabbering? can they not be clabbering?
Perfect	V-ing perfect
can I not have clabbered? can you not have clabbered? can he not have clabbered? can we not have clabbered? can you not have clabbered? can they not have clabbered?	can I not have been clabbering? can you not have been clabbering? can he not have been clabbering? can we not have been clabbering? can you not have been clabbering? can they not have been clabbering?