I should perseverate you should perseverate he should perseverate we should perseverate you should perseverate they should perseverate
V-ing form
I should be perseverating you should be perseverating he should be perseverating we should be perseverating you should be perseverating they should be perseverating
Perfect
I should have perseverated you should have perseverated he should have perseverated we should have perseverated you should have perseverated they should have perseverated
V-ing perfect
I should have been perseverating you should have been perseverating he should have been perseverating we should have been perseverating you should have been perseverating they should have been perseverating
Negation
Simple form
I should not perseverate you should not perseverate he should not perseverate we should not perseverate you should not perseverate they should not perseverate
V-ing form
I should not be perseverating you should not be perseverating he should not be perseverating we should not be perseverating you should not be perseverating they should not be perseverating
Perfect
I should not have perseverated you should not have perseverated he should not have perseverated we should not have perseverated you should not have perseverated they should not have perseverated
V-ing perfect
I should not have been perseverating you should not have been perseverating he should not have been perseverating we should not have been perseverating you should not have been perseverating they should not have been perseverating
Interrogative form
Simple form
should I perseverate? should you perseverate? should he perseverate? should we perseverate? should you perseverate? should they perseverate?
V-ing form
should I be perseverating? should you be perseverating? should he be perseverating? should we be perseverating? should you be perseverating? should they be perseverating?
Perfect
should I have perseverated? should you have perseverated? should he have perseverated? should we have perseverated? should you have perseverated? should they have perseverated?
V-ing perfect
should I have been perseverating? should you have been perseverating? should he have been perseverating? should we have been perseverating? should you have been perseverating? should they have been perseverating?
Interro-negative form
Simple form
should I not perseverate? should you not perseverate? should he not perseverate? should we not perseverate? should you not perseverate? should they not perseverate?
V-ing form
should I not be perseverating? should you not be perseverating? should he not be perseverating? should we not be perseverating? should you not be perseverating? should they not be perseverating?
Perfect
should I not have perseverated? should you not have perseverated? should he not have perseverated? should we not have perseverated? should you not have perseverated? should they not have perseverated?
V-ing perfect
should I not have been perseverating? should you not have been perseverating? should he not have been perseverating? should we not have been perseverating? should you not have been perseverating? should they not have been perseverating?