English verb conjugation
MUST CHAMFER

Regular verb: chamfer - chamfered - chamfered

Affirmation

Simple form	V-ing form
I must chamfer you must chamfer he must chamfer we must chamfer you must chamfer they must chamfer	I must be chamfering you must be chamfering he must be chamfering we must be chamfering you must be chamfering they must be chamfering
Perfect	V-ing perfect
I must have chamfered you must have chamfered he must have chamfered we must have chamfered you must have chamfered they must have chamfered	I must have been chamfering you must have been chamfering he must have been chamfering we must have been chamfering you must have been chamfering they must have been chamfering

Negation

Simple form	V-ing form
I must not chamfer you must not chamfer he must not chamfer we must not chamfer you must not chamfer they must not chamfer	I must not be chamfering you must not be chamfering he must not be chamfering we must not be chamfering you must not be chamfering they must not be chamfering
Perfect	V-ing perfect
I must not have chamfered you must not have chamfered he must not have chamfered we must not have chamfered you must not have chamfered they must not have chamfered	I must not have been chamfering you must not have been chamfering he must not have been chamfering we must not have been chamfering you must not have been chamfering they must not have been chamfering

Interrogative form

Simple form	V-ing form
must I chamfer? must you chamfer? must he chamfer? must we chamfer? must you chamfer? must they chamfer?	must I be chamfering? must you be chamfering? must he be chamfering? must we be chamfering? must you be chamfering? must they be chamfering?
Perfect	V-ing perfect
must I have chamfered? must you have chamfered? must he have chamfered? must we have chamfered? must you have chamfered? must they have chamfered?	must I have been chamfering? must you have been chamfering? must he have been chamfering? must we have been chamfering? must you have been chamfering? must they have been chamfering?

Interro-negative form

Simple form	V-ing form
must I not chamfer? must you not chamfer? must he not chamfer? must we not chamfer? must you not chamfer? must they not chamfer?	must I not be chamfering? must you not be chamfering? must he not be chamfering? must we not be chamfering? must you not be chamfering? must they not be chamfering?
Perfect	V-ing perfect
must I not have chamfered? must you not have chamfered? must he not have chamfered? must we not have chamfered? must you not have chamfered? must they not have chamfered?	must I not have been chamfering? must you not have been chamfering? must he not have been chamfering? must we not have been chamfering? must you not have been chamfering? must they not have been chamfering?