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