English verb conjugation
MUST CHAFFER

Regular verb: chaffer - chaffered - chaffered

Affirmation

Simple form	V-ing form
I must chaffer you must chaffer she must chaffer we must chaffer you must chaffer they must chaffer	I must be chaffering you must be chaffering she must be chaffering we must be chaffering you must be chaffering they must be chaffering
Perfect	V-ing perfect
I must have chaffered you must have chaffered she must have chaffered we must have chaffered you must have chaffered they must have chaffered	I must have been chaffering you must have been chaffering she must have been chaffering we must have been chaffering you must have been chaffering they must have been chaffering

Negation

Simple form	V-ing form
I must not chaffer you must not chaffer she must not chaffer we must not chaffer you must not chaffer they must not chaffer	I must not be chaffering you must not be chaffering she must not be chaffering we must not be chaffering you must not be chaffering they must not be chaffering
Perfect	V-ing perfect
I must not have chaffered you must not have chaffered she must not have chaffered we must not have chaffered you must not have chaffered they must not have chaffered	I must not have been chaffering you must not have been chaffering she must not have been chaffering we must not have been chaffering you must not have been chaffering they must not have been chaffering

Interrogative form

Simple form	V-ing form
must I chaffer? must you chaffer? must she chaffer? must we chaffer? must you chaffer? must they chaffer?	must I be chaffering? must you be chaffering? must she be chaffering? must we be chaffering? must you be chaffering? must they be chaffering?
Perfect	V-ing perfect
must I have chaffered? must you have chaffered? must she have chaffered? must we have chaffered? must you have chaffered? must they have chaffered?	must I have been chaffering? must you have been chaffering? must she have been chaffering? must we have been chaffering? must you have been chaffering? must they have been chaffering?

Interro-negative form

Simple form	V-ing form
must I not chaffer? must you not chaffer? must she not chaffer? must we not chaffer? must you not chaffer? must they not chaffer?	must I not be chaffering? must you not be chaffering? must she not be chaffering? must we not be chaffering? must you not be chaffering? must they not be chaffering?
Perfect	V-ing perfect
must I not have chaffered? must you not have chaffered? must she not have chaffered? must we not have chaffered? must you not have chaffered? must they not have chaffered?	must I not have been chaffering? must you not have been chaffering? must she not have been chaffering? must we not have been chaffering? must you not have been chaffering? must they not have been chaffering?