English verb conjugation
COULD SHEPHERD

Regular verb: shepherd - shepherded - shepherded

Affirmation

Simple form	V-ing form
I could shepherd you could shepherd he could shepherd we could shepherd you could shepherd they could shepherd	I could be shepherding you could be shepherding he could be shepherding we could be shepherding you could be shepherding they could be shepherding
Perfect	V-ing perfect
I could have shepherded you could have shepherded he could have shepherded we could have shepherded you could have shepherded they could have shepherded	I could have been shepherding you could have been shepherding he could have been shepherding we could have been shepherding you could have been shepherding they could have been shepherding

Negation

Simple form	V-ing form
I could not shepherd you could not shepherd he could not shepherd we could not shepherd you could not shepherd they could not shepherd	I could not be shepherding you could not be shepherding he could not be shepherding we could not be shepherding you could not be shepherding they could not be shepherding
Perfect	V-ing perfect
I could not have shepherded you could not have shepherded he could not have shepherded we could not have shepherded you could not have shepherded they could not have shepherded	I could not have been shepherding you could not have been shepherding he could not have been shepherding we could not have been shepherding you could not have been shepherding they could not have been shepherding

Interrogative form

Simple form	V-ing form
could I shepherd? could you shepherd? could he shepherd? could we shepherd? could you shepherd? could they shepherd?	could I be shepherding? could you be shepherding? could he be shepherding? could we be shepherding? could you be shepherding? could they be shepherding?
Perfect	V-ing perfect
could I have shepherded? could you have shepherded? could he have shepherded? could we have shepherded? could you have shepherded? could they have shepherded?	could I have been shepherding? could you have been shepherding? could he have been shepherding? could we have been shepherding? could you have been shepherding? could they have been shepherding?

Interro-negative form

Simple form	V-ing form
could I not shepherd? could you not shepherd? could he not shepherd? could we not shepherd? could you not shepherd? could they not shepherd?	could I not be shepherding? could you not be shepherding? could he not be shepherding? could we not be shepherding? could you not be shepherding? could they not be shepherding?
Perfect	V-ing perfect
could I not have shepherded? could you not have shepherded? could he not have shepherded? could we not have shepherded? could you not have shepherded? could they not have shepherded?	could I not have been shepherding? could you not have been shepherding? could he not have been shepherding? could we not have been shepherding? could you not have been shepherding? could they not have been shepherding?