English verb conjugation
COULD BENCH

Regular verb: bench - benched - benched

Affirmation

Simple form	V-ing form
I could bench you could bench she could bench we could bench you could bench they could bench	I could be benching you could be benching she could be benching we could be benching you could be benching they could be benching
Perfect	V-ing perfect
I could have benched you could have benched she could have benched we could have benched you could have benched they could have benched	I could have been benching you could have been benching she could have been benching we could have been benching you could have been benching they could have been benching

Negation

Simple form	V-ing form
I could not bench you could not bench she could not bench we could not bench you could not bench they could not bench	I could not be benching you could not be benching she could not be benching we could not be benching you could not be benching they could not be benching
Perfect	V-ing perfect
I could not have benched you could not have benched she could not have benched we could not have benched you could not have benched they could not have benched	I could not have been benching you could not have been benching she could not have been benching we could not have been benching you could not have been benching they could not have been benching

Interrogative form

Simple form	V-ing form
could I bench? could you bench? could she bench? could we bench? could you bench? could they bench?	could I be benching? could you be benching? could she be benching? could we be benching? could you be benching? could they be benching?
Perfect	V-ing perfect
could I have benched? could you have benched? could she have benched? could we have benched? could you have benched? could they have benched?	could I have been benching? could you have been benching? could she have been benching? could we have been benching? could you have been benching? could they have been benching?

Interro-negative form

Simple form	V-ing form
could I not bench? could you not bench? could she not bench? could we not bench? could you not bench? could they not bench?	could I not be benching? could you not be benching? could she not be benching? could we not be benching? could you not be benching? could they not be benching?
Perfect	V-ing perfect
could I not have benched? could you not have benched? could she not have benched? could we not have benched? could you not have benched? could they not have benched?	could I not have been benching? could you not have been benching? could she not have been benching? could we not have been benching? could you not have been benching? could they not have been benching?