Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could review review you could review review she could review review we could review review you could review review they could review review
V-ing form
I could be review reviewing you could be review reviewing she could be review reviewing we could be review reviewing you could be review reviewing they could be review reviewing
Perfect
I could have review reviewed you could have review reviewed she could have review reviewed we could have review reviewed you could have review reviewed they could have review reviewed
V-ing perfect
I could have been review reviewing you could have been review reviewing she could have been review reviewing we could have been review reviewing you could have been review reviewing they could have been review reviewing
Negation
Simple form
I couldn't review review you couldn't review review she couldn't review review we couldn't review review you couldn't review review they couldn't review review
V-ing form
I couldn't be review reviewing you couldn't be review reviewing she couldn't be review reviewing we couldn't be review reviewing you couldn't be review reviewing they couldn't be review reviewing
Perfect
I couldn't have review reviewed you couldn't have review reviewed she couldn't have review reviewed we couldn't have review reviewed you couldn't have review reviewed they couldn't have review reviewed
V-ing perfect
I couldn't have been review reviewing you couldn't have been review reviewing she couldn't have been review reviewing we couldn't have been review reviewing you couldn't have been review reviewing they couldn't have been review reviewing
Interrogative form
Simple form
could I review review? could you review review? could she review review? could we review review? could you review review? could they review review?
V-ing form
could I be review reviewing? could you be review reviewing? could she be review reviewing? could we be review reviewing? could you be review reviewing? could they be review reviewing?
Perfect
could I have review reviewed? could you have review reviewed? could she have review reviewed? could we have review reviewed? could you have review reviewed? could they have review reviewed?
V-ing perfect
could I have been review reviewing? could you have been review reviewing? could she have been review reviewing? could we have been review reviewing? could you have been review reviewing? could they have been review reviewing?
Interro-negative form
Simple form
couldn't I review review? couldn't you review review? couldn't she review review? couldn't we review review? couldn't you review review? couldn't they review review?
V-ing form
couldn't I be review reviewing? couldn't you be review reviewing? couldn't she be review reviewing? couldn't we be review reviewing? couldn't you be review reviewing? couldn't they be review reviewing?
Perfect
couldn't I have review reviewed? couldn't you have review reviewed? couldn't she have review reviewed? couldn't we have review reviewed? couldn't you have review reviewed? couldn't they have review reviewed?
V-ing perfect
couldn't I have been review reviewing? couldn't you have been review reviewing? couldn't she have been review reviewing? couldn't we have been review reviewing? couldn't you have been review reviewing? couldn't they have been review reviewing?