I could surpass you could surpass she could surpass we could surpass you could surpass they could surpass
V-ing form
I could be surpassing you could be surpassing she could be surpassing we could be surpassing you could be surpassing they could be surpassing
Perfect
I could have surpassed you could have surpassed she could have surpassed we could have surpassed you could have surpassed they could have surpassed
V-ing perfect
I could have been surpassing you could have been surpassing she could have been surpassing we could have been surpassing you could have been surpassing they could have been surpassing
Negation
Simple form
I could not surpass you could not surpass she could not surpass we could not surpass you could not surpass they could not surpass
V-ing form
I could not be surpassing you could not be surpassing she could not be surpassing we could not be surpassing you could not be surpassing they could not be surpassing
Perfect
I could not have surpassed you could not have surpassed she could not have surpassed we could not have surpassed you could not have surpassed they could not have surpassed
V-ing perfect
I could not have been surpassing you could not have been surpassing she could not have been surpassing we could not have been surpassing you could not have been surpassing they could not have been surpassing
Interrogative form
Simple form
could I surpass? could you surpass? could she surpass? could we surpass? could you surpass? could they surpass?
V-ing form
could I be surpassing? could you be surpassing? could she be surpassing? could we be surpassing? could you be surpassing? could they be surpassing?
Perfect
could I have surpassed? could you have surpassed? could she have surpassed? could we have surpassed? could you have surpassed? could they have surpassed?
V-ing perfect
could I have been surpassing? could you have been surpassing? could she have been surpassing? could we have been surpassing? could you have been surpassing? could they have been surpassing?
Interro-negative form
Simple form
could I not surpass? could you not surpass? could she not surpass? could we not surpass? could you not surpass? could they not surpass?
V-ing form
could I not be surpassing? could you not be surpassing? could she not be surpassing? could we not be surpassing? could you not be surpassing? could they not be surpassing?
Perfect
could I not have surpassed? could you not have surpassed? could she not have surpassed? could we not have surpassed? could you not have surpassed? could they not have surpassed?
V-ing perfect
could I not have been surpassing? could you not have been surpassing? could she not have been surpassing? could we not have been surpassing? could you not have been surpassing? could they not have been surpassing?