English verb conjugation
COULD FERRET

Regular verb: ferret - ferreted - ferreted

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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