English verb conjugation
MUST FERRET

Regular verb: ferret - ferreted - ferreted

Affirmation

Simple form	V-ing form
I must ferret you must ferret he must ferret we must ferret you must ferret they must ferret	I must be ferreting you must be ferreting he must be ferreting we must be ferreting you must be ferreting they must be ferreting
Perfect	V-ing perfect
I must have ferreted you must have ferreted he must have ferreted we must have ferreted you must have ferreted they must have ferreted	I must have been ferreting you must have been ferreting he must have been ferreting we must have been ferreting you must have been ferreting they must have been ferreting

Negation

Simple form	V-ing form
I mustn't ferret you mustn't ferret he mustn't ferret we mustn't ferret you mustn't ferret they mustn't ferret	I mustn't be ferreting you mustn't be ferreting he mustn't be ferreting we mustn't be ferreting you mustn't be ferreting they mustn't be ferreting
Perfect	V-ing perfect
I mustn't have ferreted you mustn't have ferreted he mustn't have ferreted we mustn't have ferreted you mustn't have ferreted they mustn't have ferreted	I mustn't have been ferreting you mustn't have been ferreting he mustn't have been ferreting we mustn't have been ferreting you mustn't have been ferreting they mustn't have been ferreting

Interrogative form

Simple form	V-ing form
must I ferret? must you ferret? must he ferret? must we ferret? must you ferret? must they ferret?	must I be ferreting? must you be ferreting? must he be ferreting? must we be ferreting? must you be ferreting? must they be ferreting?
Perfect	V-ing perfect
must I have ferreted? must you have ferreted? must he have ferreted? must we have ferreted? must you have ferreted? must they have ferreted?	must I have been ferreting? must you have been ferreting? must he have been ferreting? must we have been ferreting? must you have been ferreting? must they have been ferreting?

Interro-negative form

Simple form	V-ing form
mustn't I ferret? mustn't you ferret? mustn't he ferret? mustn't we ferret? mustn't you ferret? mustn't they ferret?	mustn't I be ferreting? mustn't you be ferreting? mustn't he be ferreting? mustn't we be ferreting? mustn't you be ferreting? mustn't they be ferreting?
Perfect	V-ing perfect
mustn't I have ferreted? mustn't you have ferreted? mustn't he have ferreted? mustn't we have ferreted? mustn't you have ferreted? mustn't they have ferreted?	mustn't I have been ferreting? mustn't you have been ferreting? mustn't he have been ferreting? mustn't we have been ferreting? mustn't you have been ferreting? mustn't they have been ferreting?