English verb conjugation
COULD FERRET

Regular verb: ferret - ferreted - ferreted

Affirmation

Simple form	V-ing form
I could ferret you could ferret she could ferret we could ferret you could ferret they could ferret	I could be ferreting you could be ferreting she 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 she 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 she 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 could not ferret you could not ferret she could not ferret we could not ferret you could not ferret they could not ferret	I could not be ferreting you could not be ferreting she could not be ferreting we could not be ferreting you could not be ferreting they could not be ferreting
Perfect	V-ing perfect
I could not have ferreted you could not have ferreted she could not have ferreted we could not have ferreted you could not have ferreted they could not have ferreted	I could not have been ferreting you could not have been ferreting she could not have been ferreting we could not have been ferreting you could not have been ferreting they could not have been ferreting

Interrogative form

Simple form	V-ing form
could I ferret? could you ferret? could she ferret? could we ferret? could you ferret? could they ferret?	could I be ferreting? could you be ferreting? could she 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 she 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 she 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
could I not ferret? could you not ferret? could she not ferret? could we not ferret? could you not ferret? could they not ferret?	could I not be ferreting? could you not be ferreting? could she not be ferreting? could we not be ferreting? could you not be ferreting? could they not be ferreting?
Perfect	V-ing perfect
could I not have ferreted? could you not have ferreted? could she not have ferreted? could we not have ferreted? could you not have ferreted? could they not have ferreted?	could I not have been ferreting? could you not have been ferreting? could she not have been ferreting? could we not have been ferreting? could you not have been ferreting? could they not have been ferreting?