I'd be tensing you'd be tensing he'd be tensing we'd be tensing you'd be tensing they'd be tensing
Perfect
I should've tensed you should've tensed he should've tensed we should've tensed you should've tensed they should've tensed
V-ing perfect
I should've been tensing you should've been tensing he should've been tensing we should've been tensing you should've been tensing they should've been tensing
Negation
Simple form
I shouldn't tense you shouldn't tense he shouldn't tense we shouldn't tense you shouldn't tense they shouldn't tense
V-ing form
I shouldn't be tensing you shouldn't be tensing he shouldn't be tensing we shouldn't be tensing you shouldn't be tensing they shouldn't be tensing
Perfect
I shouldn't have tensed you shouldn't have tensed he shouldn't have tensed we shouldn't have tensed you shouldn't have tensed they shouldn't have tensed
V-ing perfect
I shouldn't have been tensing you shouldn't have been tensing he shouldn't have been tensing we shouldn't have been tensing you shouldn't have been tensing they shouldn't have been tensing
Interrogative form
Simple form
should I tense? should you tense? should he tense? should we tense? should you tense? should they tense?
V-ing form
should I be tensing? should you be tensing? should he be tensing? should we be tensing? should you be tensing? should they be tensing?
Perfect
should I have tensed? should you have tensed? should he have tensed? should we have tensed? should you have tensed? should they have tensed?
V-ing perfect
should I have been tensing? should you have been tensing? should he have been tensing? should we have been tensing? should you have been tensing? should they have been tensing?
Interro-negative form
Simple form
shouldn't I tense? shouldn't you tense? shouldn't he tense? shouldn't we tense? shouldn't you tense? shouldn't they tense?
V-ing form
shouldn't I be tensing? shouldn't you be tensing? shouldn't he be tensing? shouldn't we be tensing? shouldn't you be tensing? shouldn't they be tensing?
Perfect
shouldn't I have tensed? shouldn't you have tensed? shouldn't he have tensed? shouldn't we have tensed? shouldn't you have tensed? shouldn't they have tensed?
V-ing perfect
shouldn't I have been tensing? shouldn't you have been tensing? shouldn't he have been tensing? shouldn't we have been tensing? shouldn't you have been tensing? shouldn't they have been tensing?