I can quintuplicate you can quintuplicate he can quintuplicate we can quintuplicate you can quintuplicate they can quintuplicate
V-ing form
I can be quintuplicating you can be quintuplicating he can be quintuplicating we can be quintuplicating you can be quintuplicating they can be quintuplicating
Perfect
I can have quintuplicated you can have quintuplicated he can have quintuplicated we can have quintuplicated you can have quintuplicated they can have quintuplicated
V-ing perfect
I can have been quintuplicating you can have been quintuplicating he can have been quintuplicating we can have been quintuplicating you can have been quintuplicating they can have been quintuplicating
Negation
Simple form
I cannot quintuplicate you cannot quintuplicate he cannot quintuplicate we cannot quintuplicate you cannot quintuplicate they cannot quintuplicate
V-ing form
I cannot be quintuplicating you cannot be quintuplicating he cannot be quintuplicating we cannot be quintuplicating you cannot be quintuplicating they cannot be quintuplicating
Perfect
I cannot have quintuplicated you cannot have quintuplicated he cannot have quintuplicated we cannot have quintuplicated you cannot have quintuplicated they cannot have quintuplicated
V-ing perfect
I cannot have been quintuplicating you cannot have been quintuplicating he cannot have been quintuplicating we cannot have been quintuplicating you cannot have been quintuplicating they cannot have been quintuplicating
Interrogative form
Simple form
can I quintuplicate? can you quintuplicate? can he quintuplicate? can we quintuplicate? can you quintuplicate? can they quintuplicate?
V-ing form
can I be quintuplicating? can you be quintuplicating? can he be quintuplicating? can we be quintuplicating? can you be quintuplicating? can they be quintuplicating?
Perfect
can I have quintuplicated? can you have quintuplicated? can he have quintuplicated? can we have quintuplicated? can you have quintuplicated? can they have quintuplicated?
V-ing perfect
can I have been quintuplicating? can you have been quintuplicating? can he have been quintuplicating? can we have been quintuplicating? can you have been quintuplicating? can they have been quintuplicating?
Interro-negative form
Simple form
can I not quintuplicate? can you not quintuplicate? can he not quintuplicate? can we not quintuplicate? can you not quintuplicate? can they not quintuplicate?
V-ing form
can I not be quintuplicating? can you not be quintuplicating? can he not be quintuplicating? can we not be quintuplicating? can you not be quintuplicating? can they not be quintuplicating?
Perfect
can I not have quintuplicated? can you not have quintuplicated? can he not have quintuplicated? can we not have quintuplicated? can you not have quintuplicated? can they not have quintuplicated?
V-ing perfect
can I not have been quintuplicating? can you not have been quintuplicating? can he not have been quintuplicating? can we not have been quintuplicating? can you not have been quintuplicating? can they not have been quintuplicating?