English verb conjugation
MUST FETTER

Regular verb: fetter - fettered - fettered

Affirmation

Simple form	V-ing form
I must fetter you must fetter he must fetter we must fetter you must fetter they must fetter	I must be fettering you must be fettering he must be fettering we must be fettering you must be fettering they must be fettering
Perfect	V-ing perfect
I must have fettered you must have fettered he must have fettered we must have fettered you must have fettered they must have fettered	I must have been fettering you must have been fettering he must have been fettering we must have been fettering you must have been fettering they must have been fettering

Negation

Simple form	V-ing form
I must not fetter you must not fetter he must not fetter we must not fetter you must not fetter they must not fetter	I must not be fettering you must not be fettering he must not be fettering we must not be fettering you must not be fettering they must not be fettering
Perfect	V-ing perfect
I must not have fettered you must not have fettered he must not have fettered we must not have fettered you must not have fettered they must not have fettered	I must not have been fettering you must not have been fettering he must not have been fettering we must not have been fettering you must not have been fettering they must not have been fettering

Interrogative form

Simple form	V-ing form
must I fetter? must you fetter? must he fetter? must we fetter? must you fetter? must they fetter?	must I be fettering? must you be fettering? must he be fettering? must we be fettering? must you be fettering? must they be fettering?
Perfect	V-ing perfect
must I have fettered? must you have fettered? must he have fettered? must we have fettered? must you have fettered? must they have fettered?	must I have been fettering? must you have been fettering? must he have been fettering? must we have been fettering? must you have been fettering? must they have been fettering?

Interro-negative form

Simple form	V-ing form
must I not fetter? must you not fetter? must he not fetter? must we not fetter? must you not fetter? must they not fetter?	must I not be fettering? must you not be fettering? must he not be fettering? must we not be fettering? must you not be fettering? must they not be fettering?
Perfect	V-ing perfect
must I not have fettered? must you not have fettered? must he not have fettered? must we not have fettered? must you not have fettered? must they not have fettered?	must I not have been fettering? must you not have been fettering? must he not have been fettering? must we not have been fettering? must you not have been fettering? must they not have been fettering?