should disgruntle
Regular verb: disgruntle - disgruntled- disgruntled

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