I could budge you could budge she could budge we could budge you could budge they could budge
V-ing form
I could be budging you could be budging she could be budging we could be budging you could be budging they could be budging
Perfect
I could have budged you could have budged she could have budged we could have budged you could have budged they could have budged
V-ing perfect
I could have been budging you could have been budging she could have been budging we could have been budging you could have been budging they could have been budging
Negation
Simple form
I could not budge you could not budge she could not budge we could not budge you could not budge they could not budge
V-ing form
I could not be budging you could not be budging she could not be budging we could not be budging you could not be budging they could not be budging
Perfect
I could not have budged you could not have budged she could not have budged we could not have budged you could not have budged they could not have budged
V-ing perfect
I could not have been budging you could not have been budging she could not have been budging we could not have been budging you could not have been budging they could not have been budging
Interrogative form
Simple form
could I budge? could you budge? could she budge? could we budge? could you budge? could they budge?
V-ing form
could I be budging? could you be budging? could she be budging? could we be budging? could you be budging? could they be budging?
Perfect
could I have budged? could you have budged? could she have budged? could we have budged? could you have budged? could they have budged?
V-ing perfect
could I have been budging? could you have been budging? could she have been budging? could we have been budging? could you have been budging? could they have been budging?
Interro-negative form
Simple form
could I not budge? could you not budge? could she not budge? could we not budge? could you not budge? could they not budge?
V-ing form
could I not be budging? could you not be budging? could she not be budging? could we not be budging? could you not be budging? could they not be budging?
Perfect
could I not have budged? could you not have budged? could she not have budged? could we not have budged? could you not have budged? could they not have budged?
V-ing perfect
could I not have been budging? could you not have been budging? could she not have been budging? could we not have been budging? could you not have been budging? could they not have been budging?