English verb conjugation
MUST FETTER

Regular verb: fetter - fettered - fettered

Affirmation

Simple form	V-ing form
I must fetter you must fetter she must fetter we must fetter you must fetter they must fetter	I must be fettering you must be fettering she 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 she 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 she 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 mustn't fetter you mustn't fetter she mustn't fetter we mustn't fetter you mustn't fetter they mustn't fetter	I mustn't be fettering you mustn't be fettering she mustn't be fettering we mustn't be fettering you mustn't be fettering they mustn't be fettering
Perfect	V-ing perfect
I mustn't have fettered you mustn't have fettered she mustn't have fettered we mustn't have fettered you mustn't have fettered they mustn't have fettered	I mustn't have been fettering you mustn't have been fettering she mustn't have been fettering we mustn't have been fettering you mustn't have been fettering they mustn't have been fettering

Interrogative form

Simple form	V-ing form
must I fetter? must you fetter? must she fetter? must we fetter? must you fetter? must they fetter?	must I be fettering? must you be fettering? must she 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 she 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 she 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
mustn't I fetter? mustn't you fetter? mustn't she fetter? mustn't we fetter? mustn't you fetter? mustn't they fetter?	mustn't I be fettering? mustn't you be fettering? mustn't she be fettering? mustn't we be fettering? mustn't you be fettering? mustn't they be fettering?
Perfect	V-ing perfect
mustn't I have fettered? mustn't you have fettered? mustn't she have fettered? mustn't we have fettered? mustn't you have fettered? mustn't they have fettered?	mustn't I have been fettering? mustn't you have been fettering? mustn't she have been fettering? mustn't we have been fettering? mustn't you have been fettering? mustn't they have been fettering?