I could soliloquize you could soliloquize she could soliloquize we could soliloquize you could soliloquize they could soliloquize
V-ing form
I could be soliloquizing you could be soliloquizing she could be soliloquizing we could be soliloquizing you could be soliloquizing they could be soliloquizing
Perfect
I could have soliloquized you could have soliloquized she could have soliloquized we could have soliloquized you could have soliloquized they could have soliloquized
V-ing perfect
I could have been soliloquizing you could have been soliloquizing she could have been soliloquizing we could have been soliloquizing you could have been soliloquizing they could have been soliloquizing
Negation
Simple form
I could not soliloquize you could not soliloquize she could not soliloquize we could not soliloquize you could not soliloquize they could not soliloquize
V-ing form
I could not be soliloquizing you could not be soliloquizing she could not be soliloquizing we could not be soliloquizing you could not be soliloquizing they could not be soliloquizing
Perfect
I could not have soliloquized you could not have soliloquized she could not have soliloquized we could not have soliloquized you could not have soliloquized they could not have soliloquized
V-ing perfect
I could not have been soliloquizing you could not have been soliloquizing she could not have been soliloquizing we could not have been soliloquizing you could not have been soliloquizing they could not have been soliloquizing
Interrogative form
Simple form
could I soliloquize? could you soliloquize? could she soliloquize? could we soliloquize? could you soliloquize? could they soliloquize?
V-ing form
could I be soliloquizing? could you be soliloquizing? could she be soliloquizing? could we be soliloquizing? could you be soliloquizing? could they be soliloquizing?
Perfect
could I have soliloquized? could you have soliloquized? could she have soliloquized? could we have soliloquized? could you have soliloquized? could they have soliloquized?
V-ing perfect
could I have been soliloquizing? could you have been soliloquizing? could she have been soliloquizing? could we have been soliloquizing? could you have been soliloquizing? could they have been soliloquizing?
Interro-negative form
Simple form
could I not soliloquize? could you not soliloquize? could she not soliloquize? could we not soliloquize? could you not soliloquize? could they not soliloquize?
V-ing form
could I not be soliloquizing? could you not be soliloquizing? could she not be soliloquizing? could we not be soliloquizing? could you not be soliloquizing? could they not be soliloquizing?
Perfect
could I not have soliloquized? could you not have soliloquized? could she not have soliloquized? could we not have soliloquized? could you not have soliloquized? could they not have soliloquized?
V-ing perfect
could I not have been soliloquizing? could you not have been soliloquizing? could she not have been soliloquizing? could we not have been soliloquizing? could you not have been soliloquizing? could they not have been soliloquizing?