I could triplicate you could triplicate she could triplicate we could triplicate you could triplicate they could triplicate
V-ing form
I could be triplicating you could be triplicating she could be triplicating we could be triplicating you could be triplicating they could be triplicating
Perfect
I could have triplicated you could have triplicated she could have triplicated we could have triplicated you could have triplicated they could have triplicated
V-ing perfect
I could have been triplicating you could have been triplicating she could have been triplicating we could have been triplicating you could have been triplicating they could have been triplicating
Negation
Simple form
I could not triplicate you could not triplicate she could not triplicate we could not triplicate you could not triplicate they could not triplicate
V-ing form
I could not be triplicating you could not be triplicating she could not be triplicating we could not be triplicating you could not be triplicating they could not be triplicating
Perfect
I could not have triplicated you could not have triplicated she could not have triplicated we could not have triplicated you could not have triplicated they could not have triplicated
V-ing perfect
I could not have been triplicating you could not have been triplicating she could not have been triplicating we could not have been triplicating you could not have been triplicating they could not have been triplicating
Interrogative form
Simple form
could I triplicate? could you triplicate? could she triplicate? could we triplicate? could you triplicate? could they triplicate?
V-ing form
could I be triplicating? could you be triplicating? could she be triplicating? could we be triplicating? could you be triplicating? could they be triplicating?
Perfect
could I have triplicated? could you have triplicated? could she have triplicated? could we have triplicated? could you have triplicated? could they have triplicated?
V-ing perfect
could I have been triplicating? could you have been triplicating? could she have been triplicating? could we have been triplicating? could you have been triplicating? could they have been triplicating?
Interro-negative form
Simple form
could I not triplicate? could you not triplicate? could she not triplicate? could we not triplicate? could you not triplicate? could they not triplicate?
V-ing form
could I not be triplicating? could you not be triplicating? could she not be triplicating? could we not be triplicating? could you not be triplicating? could they not be triplicating?
Perfect
could I not have triplicated? could you not have triplicated? could she not have triplicated? could we not have triplicated? could you not have triplicated? could they not have triplicated?
V-ing perfect
could I not have been triplicating? could you not have been triplicating? could she not have been triplicating? could we not have been triplicating? could you not have been triplicating? could they not have been triplicating?