I shall decuple you shall decuple she shall decuple we shall decuple you shall decuple they shall decuple
V-ing form
I shall be decupling you shall be decupling she shall be decupling we shall be decupling you shall be decupling they shall be decupling
Perfect
I shall have decupled you shall have decupled she shall have decupled we shall have decupled you shall have decupled they shall have decupled
V-ing perfect
I shall have been decupling you shall have been decupling she shall have been decupling we shall have been decupling you shall have been decupling they shall have been decupling
Negation
Simple form
I shall not decuple you shall not decuple she shall not decuple we shall not decuple you shall not decuple they shall not decuple
V-ing form
I shall not be decupling you shall not be decupling she shall not be decupling we shall not be decupling you shall not be decupling they shall not be decupling
Perfect
I shall not have decupled you shall not have decupled she shall not have decupled we shall not have decupled you shall not have decupled they shall not have decupled
V-ing perfect
I shall not have been decupling you shall not have been decupling she shall not have been decupling we shall not have been decupling you shall not have been decupling they shall not have been decupling
Interrogative form
Simple form
shall I decuple? shall you decuple? shall she decuple? shall we decuple? shall you decuple? shall they decuple?
V-ing form
shall I be decupling? shall you be decupling? shall she be decupling? shall we be decupling? shall you be decupling? shall they be decupling?
Perfect
shall I have decupled? shall you have decupled? shall she have decupled? shall we have decupled? shall you have decupled? shall they have decupled?
V-ing perfect
shall I have been decupling? shall you have been decupling? shall she have been decupling? shall we have been decupling? shall you have been decupling? shall they have been decupling?
Interro-negative form
Simple form
shall I not decuple? shall you not decuple? shall she not decuple? shall we not decuple? shall you not decuple? shall they not decuple?
V-ing form
shall I not be decupling? shall you not be decupling? shall she not be decupling? shall we not be decupling? shall you not be decupling? shall they not be decupling?
Perfect
shall I not have decupled? shall you not have decupled? shall she not have decupled? shall we not have decupled? shall you not have decupled? shall they not have decupled?
V-ing perfect
shall I not have been decupling? shall you not have been decupling? shall she not have been decupling? shall we not have been decupling? shall you not have been decupling? shall they not have been decupling?