I could ridicule you could ridicule she could ridicule we could ridicule you could ridicule they could ridicule
V-ing form
I could be ridiculing you could be ridiculing she could be ridiculing we could be ridiculing you could be ridiculing they could be ridiculing
Perfect
I could have ridiculed you could have ridiculed she could have ridiculed we could have ridiculed you could have ridiculed they could have ridiculed
V-ing perfect
I could have been ridiculing you could have been ridiculing she could have been ridiculing we could have been ridiculing you could have been ridiculing they could have been ridiculing
Negation
Simple form
I could not ridicule you could not ridicule she could not ridicule we could not ridicule you could not ridicule they could not ridicule
V-ing form
I could not be ridiculing you could not be ridiculing she could not be ridiculing we could not be ridiculing you could not be ridiculing they could not be ridiculing
Perfect
I could not have ridiculed you could not have ridiculed she could not have ridiculed we could not have ridiculed you could not have ridiculed they could not have ridiculed
V-ing perfect
I could not have been ridiculing you could not have been ridiculing she could not have been ridiculing we could not have been ridiculing you could not have been ridiculing they could not have been ridiculing
Interrogative form
Simple form
could I ridicule? could you ridicule? could she ridicule? could we ridicule? could you ridicule? could they ridicule?
V-ing form
could I be ridiculing? could you be ridiculing? could she be ridiculing? could we be ridiculing? could you be ridiculing? could they be ridiculing?
Perfect
could I have ridiculed? could you have ridiculed? could she have ridiculed? could we have ridiculed? could you have ridiculed? could they have ridiculed?
V-ing perfect
could I have been ridiculing? could you have been ridiculing? could she have been ridiculing? could we have been ridiculing? could you have been ridiculing? could they have been ridiculing?
Interro-negative form
Simple form
could I not ridicule? could you not ridicule? could she not ridicule? could we not ridicule? could you not ridicule? could they not ridicule?
V-ing form
could I not be ridiculing? could you not be ridiculing? could she not be ridiculing? could we not be ridiculing? could you not be ridiculing? could they not be ridiculing?
Perfect
could I not have ridiculed? could you not have ridiculed? could she not have ridiculed? could we not have ridiculed? could you not have ridiculed? could they not have ridiculed?
V-ing perfect
could I not have been ridiculing? could you not have been ridiculing? could she not have been ridiculing? could we not have been ridiculing? could you not have been ridiculing? could they not have been ridiculing?