I should stockpile you should stockpile she should stockpile we should stockpile you should stockpile they should stockpile
V-ing form
I should be stockpiling you should be stockpiling she should be stockpiling we should be stockpiling you should be stockpiling they should be stockpiling
Perfect
I should have stockpiled you should have stockpiled she should have stockpiled we should have stockpiled you should have stockpiled they should have stockpiled
V-ing perfect
I should have been stockpiling you should have been stockpiling she should have been stockpiling we should have been stockpiling you should have been stockpiling they should have been stockpiling
Negation
Simple form
I should not stockpile you should not stockpile she should not stockpile we should not stockpile you should not stockpile they should not stockpile
V-ing form
I should not be stockpiling you should not be stockpiling she should not be stockpiling we should not be stockpiling you should not be stockpiling they should not be stockpiling
Perfect
I should not have stockpiled you should not have stockpiled she should not have stockpiled we should not have stockpiled you should not have stockpiled they should not have stockpiled
V-ing perfect
I should not have been stockpiling you should not have been stockpiling she should not have been stockpiling we should not have been stockpiling you should not have been stockpiling they should not have been stockpiling
Interrogative form
Simple form
should I stockpile? should you stockpile? should she stockpile? should we stockpile? should you stockpile? should they stockpile?
V-ing form
should I be stockpiling? should you be stockpiling? should she be stockpiling? should we be stockpiling? should you be stockpiling? should they be stockpiling?
Perfect
should I have stockpiled? should you have stockpiled? should she have stockpiled? should we have stockpiled? should you have stockpiled? should they have stockpiled?
V-ing perfect
should I have been stockpiling? should you have been stockpiling? should she have been stockpiling? should we have been stockpiling? should you have been stockpiling? should they have been stockpiling?
Interro-negative form
Simple form
should I not stockpile? should you not stockpile? should she not stockpile? should we not stockpile? should you not stockpile? should they not stockpile?
V-ing form
should I not be stockpiling? should you not be stockpiling? should she not be stockpiling? should we not be stockpiling? should you not be stockpiling? should they not be stockpiling?
Perfect
should I not have stockpiled? should you not have stockpiled? should she not have stockpiled? should we not have stockpiled? should you not have stockpiled? should they not have stockpiled?
V-ing perfect
should I not have been stockpiling? should you not have been stockpiling? should she not have been stockpiling? should we not have been stockpiling? should you not have been stockpiling? should they not have been stockpiling?