English verb conjugation
SHOULD DECUPLE

Regular verb: decuple - decupled - decupled

Affirmation

Simple form	V-ing form
I should decuple you should decuple he should decuple we should decuple you should decuple they should decuple	I should be decupling you should be decupling he should be decupling we should be decupling you should be decupling they should be decupling
Perfect	V-ing perfect
I should have decupled you should have decupled he should have decupled we should have decupled you should have decupled they should have decupled	I should have been decupling you should have been decupling he should have been decupling we should have been decupling you should have been decupling they should have been decupling

Negation

Simple form	V-ing form
I should not decuple you should not decuple he should not decuple we should not decuple you should not decuple they should not decuple	I should not be decupling you should not be decupling he should not be decupling we should not be decupling you should not be decupling they should not be decupling
Perfect	V-ing perfect
I should not have decupled you should not have decupled he should not have decupled we should not have decupled you should not have decupled they should not have decupled	I should not have been decupling you should not have been decupling he should not have been decupling we should not have been decupling you should not have been decupling they should not have been decupling

Interrogative form

Simple form	V-ing form
should I decuple? should you decuple? should he decuple? should we decuple? should you decuple? should they decuple?	should I be decupling? should you be decupling? should he be decupling? should we be decupling? should you be decupling? should they be decupling?
Perfect	V-ing perfect
should I have decupled? should you have decupled? should he have decupled? should we have decupled? should you have decupled? should they have decupled?	should I have been decupling? should you have been decupling? should he have been decupling? should we have been decupling? should you have been decupling? should they have been decupling?

Interro-negative form

Simple form	V-ing form
should I not decuple? should you not decuple? should he not decuple? should we not decuple? should you not decuple? should they not decuple?	should I not be decupling? should you not be decupling? should he not be decupling? should we not be decupling? should you not be decupling? should they not be decupling?
Perfect	V-ing perfect
should I not have decupled? should you not have decupled? should he not have decupled? should we not have decupled? should you not have decupled? should they not have decupled?	should I not have been decupling? should you not have been decupling? should he not have been decupling? should we not have been decupling? should you not have been decupling? should they not have been decupling?