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