I could pulp you could pulp she could pulp we could pulp you could pulp they could pulp
V-ing form
I could be pulping you could be pulping she could be pulping we could be pulping you could be pulping they could be pulping
Perfect
I could have pulped you could have pulped she could have pulped we could have pulped you could have pulped they could have pulped
V-ing perfect
I could have been pulping you could have been pulping she could have been pulping we could have been pulping you could have been pulping they could have been pulping
Negation
Simple form
I could not pulp you could not pulp she could not pulp we could not pulp you could not pulp they could not pulp
V-ing form
I could not be pulping you could not be pulping she could not be pulping we could not be pulping you could not be pulping they could not be pulping
Perfect
I could not have pulped you could not have pulped she could not have pulped we could not have pulped you could not have pulped they could not have pulped
V-ing perfect
I could not have been pulping you could not have been pulping she could not have been pulping we could not have been pulping you could not have been pulping they could not have been pulping
Interrogative form
Simple form
could I pulp? could you pulp? could she pulp? could we pulp? could you pulp? could they pulp?
V-ing form
could I be pulping? could you be pulping? could she be pulping? could we be pulping? could you be pulping? could they be pulping?
Perfect
could I have pulped? could you have pulped? could she have pulped? could we have pulped? could you have pulped? could they have pulped?
V-ing perfect
could I have been pulping? could you have been pulping? could she have been pulping? could we have been pulping? could you have been pulping? could they have been pulping?
Interro-negative form
Simple form
could I not pulp? could you not pulp? could she not pulp? could we not pulp? could you not pulp? could they not pulp?
V-ing form
could I not be pulping? could you not be pulping? could she not be pulping? could we not be pulping? could you not be pulping? could they not be pulping?
Perfect
could I not have pulped? could you not have pulped? could she not have pulped? could we not have pulped? could you not have pulped? could they not have pulped?
V-ing perfect
could I not have been pulping? could you not have been pulping? could she not have been pulping? could we not have been pulping? could you not have been pulping? could they not have been pulping?