I should regroup you should regroup he should regroup we should regroup you should regroup they should regroup
V-ing form
I should be regrouping you should be regrouping he should be regrouping we should be regrouping you should be regrouping they should be regrouping
Perfect
I should have regrouped you should have regrouped he should have regrouped we should have regrouped you should have regrouped they should have regrouped
V-ing perfect
I should have been regrouping you should have been regrouping he should have been regrouping we should have been regrouping you should have been regrouping they should have been regrouping
Negation
Simple form
I should not regroup you should not regroup he should not regroup we should not regroup you should not regroup they should not regroup
V-ing form
I should not be regrouping you should not be regrouping he should not be regrouping we should not be regrouping you should not be regrouping they should not be regrouping
Perfect
I should not have regrouped you should not have regrouped he should not have regrouped we should not have regrouped you should not have regrouped they should not have regrouped
V-ing perfect
I should not have been regrouping you should not have been regrouping he should not have been regrouping we should not have been regrouping you should not have been regrouping they should not have been regrouping
Interrogative form
Simple form
should I regroup? should you regroup? should he regroup? should we regroup? should you regroup? should they regroup?
V-ing form
should I be regrouping? should you be regrouping? should he be regrouping? should we be regrouping? should you be regrouping? should they be regrouping?
Perfect
should I have regrouped? should you have regrouped? should he have regrouped? should we have regrouped? should you have regrouped? should they have regrouped?
V-ing perfect
should I have been regrouping? should you have been regrouping? should he have been regrouping? should we have been regrouping? should you have been regrouping? should they have been regrouping?
Interro-negative form
Simple form
should I not regroup? should you not regroup? should he not regroup? should we not regroup? should you not regroup? should they not regroup?
V-ing form
should I not be regrouping? should you not be regrouping? should he not be regrouping? should we not be regrouping? should you not be regrouping? should they not be regrouping?
Perfect
should I not have regrouped? should you not have regrouped? should he not have regrouped? should we not have regrouped? should you not have regrouped? should they not have regrouped?
V-ing perfect
should I not have been regrouping? should you not have been regrouping? should he not have been regrouping? should we not have been regrouping? should you not have been regrouping? should they not have been regrouping?