I could exacerbate you could exacerbate she could exacerbate we could exacerbate you could exacerbate they could exacerbate
V-ing form
I could be exacerbating you could be exacerbating she could be exacerbating we could be exacerbating you could be exacerbating they could be exacerbating
Perfect
I could have exacerbated you could have exacerbated she could have exacerbated we could have exacerbated you could have exacerbated they could have exacerbated
V-ing perfect
I could have been exacerbating you could have been exacerbating she could have been exacerbating we could have been exacerbating you could have been exacerbating they could have been exacerbating
Negation
Simple form
I could not exacerbate you could not exacerbate she could not exacerbate we could not exacerbate you could not exacerbate they could not exacerbate
V-ing form
I could not be exacerbating you could not be exacerbating she could not be exacerbating we could not be exacerbating you could not be exacerbating they could not be exacerbating
Perfect
I could not have exacerbated you could not have exacerbated she could not have exacerbated we could not have exacerbated you could not have exacerbated they could not have exacerbated
V-ing perfect
I could not have been exacerbating you could not have been exacerbating she could not have been exacerbating we could not have been exacerbating you could not have been exacerbating they could not have been exacerbating
Interrogative form
Simple form
could I exacerbate? could you exacerbate? could she exacerbate? could we exacerbate? could you exacerbate? could they exacerbate?
V-ing form
could I be exacerbating? could you be exacerbating? could she be exacerbating? could we be exacerbating? could you be exacerbating? could they be exacerbating?
Perfect
could I have exacerbated? could you have exacerbated? could she have exacerbated? could we have exacerbated? could you have exacerbated? could they have exacerbated?
V-ing perfect
could I have been exacerbating? could you have been exacerbating? could she have been exacerbating? could we have been exacerbating? could you have been exacerbating? could they have been exacerbating?
Interro-negative form
Simple form
could I not exacerbate? could you not exacerbate? could she not exacerbate? could we not exacerbate? could you not exacerbate? could they not exacerbate?
V-ing form
could I not be exacerbating? could you not be exacerbating? could she not be exacerbating? could we not be exacerbating? could you not be exacerbating? could they not be exacerbating?
Perfect
could I not have exacerbated? could you not have exacerbated? could she not have exacerbated? could we not have exacerbated? could you not have exacerbated? could they not have exacerbated?
V-ing perfect
could I not have been exacerbating? could you not have been exacerbating? could she not have been exacerbating? could we not have been exacerbating? could you not have been exacerbating? could they not have been exacerbating?