I could condition you could condition he could condition we could condition you could condition they could condition
V-ing form
I could be conditioning you could be conditioning he could be conditioning we could be conditioning you could be conditioning they could be conditioning
Perfect
I could have conditioned you could have conditioned he could have conditioned we could have conditioned you could have conditioned they could have conditioned
V-ing perfect
I could have been conditioning you could have been conditioning he could have been conditioning we could have been conditioning you could have been conditioning they could have been conditioning
Negation
Simple form
I could not condition you could not condition he could not condition we could not condition you could not condition they could not condition
V-ing form
I could not be conditioning you could not be conditioning he could not be conditioning we could not be conditioning you could not be conditioning they could not be conditioning
Perfect
I could not have conditioned you could not have conditioned he could not have conditioned we could not have conditioned you could not have conditioned they could not have conditioned
V-ing perfect
I could not have been conditioning you could not have been conditioning he could not have been conditioning we could not have been conditioning you could not have been conditioning they could not have been conditioning
Interrogative form
Simple form
could I condition? could you condition? could he condition? could we condition? could you condition? could they condition?
V-ing form
could I be conditioning? could you be conditioning? could he be conditioning? could we be conditioning? could you be conditioning? could they be conditioning?
Perfect
could I have conditioned? could you have conditioned? could he have conditioned? could we have conditioned? could you have conditioned? could they have conditioned?
V-ing perfect
could I have been conditioning? could you have been conditioning? could he have been conditioning? could we have been conditioning? could you have been conditioning? could they have been conditioning?
Interro-negative form
Simple form
could I not condition? could you not condition? could he not condition? could we not condition? could you not condition? could they not condition?
V-ing form
could I not be conditioning? could you not be conditioning? could he not be conditioning? could we not be conditioning? could you not be conditioning? could they not be conditioning?
Perfect
could I not have conditioned? could you not have conditioned? could he not have conditioned? could we not have conditioned? could you not have conditioned? could they not have conditioned?
V-ing perfect
could I not have been conditioning? could you not have been conditioning? could he not have been conditioning? could we not have been conditioning? could you not have been conditioning? could they not have been conditioning?