should tranquillize
Regular verb: tranquillize - tranquillized- tranquillized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd tranquillize
you'd tranquillize
she'd tranquillize
we'd tranquillize
you'd tranquillize
they'd tranquillize 	I'd be tranquillizing
you'd be tranquillizing
she'd be tranquillizing
we'd be tranquillizing
you'd be tranquillizing
they'd be tranquillizing	I should've tranquillized
you should've tranquillized
she should've tranquillized
we should've tranquillized
you should've tranquillized
they should've tranquillized	I should've been tranquillizing
you should've been tranquillizing
she should've been tranquillizing
we should've been tranquillizing
you should've been tranquillizing
they should've been tranquillizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't tranquillize
you shouldn't tranquillize
she shouldn't tranquillize
we shouldn't tranquillize
you shouldn't tranquillize
they shouldn't tranquillize 	I shouldn't be tranquillizing
you shouldn't be tranquillizing
she shouldn't be tranquillizing
we shouldn't be tranquillizing
you shouldn't be tranquillizing
they shouldn't be tranquillizing	I shouldn't have tranquillized
you shouldn't have tranquillized
she shouldn't have tranquillized
we shouldn't have tranquillized
you shouldn't have tranquillized
they shouldn't have tranquillized	I shouldn't have been tranquillizing
you shouldn't have been tranquillizing
she shouldn't have been tranquillizing
we shouldn't have been tranquillizing
you shouldn't have been tranquillizing
they shouldn't have been tranquillizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I tranquillize?
should you tranquillize?
should she tranquillize?
should we tranquillize?
should you tranquillize?
should they tranquillize? 	should I be tranquillizing?
should you be tranquillizing?
should she be tranquillizing?
should we be tranquillizing?
should you be tranquillizing?
should they be tranquillizing? 	should I have tranquillized?
should you have tranquillized?
should she have tranquillized?
should we have tranquillized?
should you have tranquillized?
should they have tranquillized? 	should I have been tranquillizing?
should you have been tranquillizing?
should she have been tranquillizing?
should we have been tranquillizing?
should you have been tranquillizing?
should they have been tranquillizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I tranquillize?
shouldn't you tranquillize?
shouldn't she tranquillize?
shouldn't we tranquillize?
shouldn't you tranquillize?
shouldn't they tranquillize? 	shouldn't I be tranquillizing?
shouldn't you be tranquillizing?
shouldn't she be tranquillizing?
shouldn't we be tranquillizing?
shouldn't you be tranquillizing?
shouldn't they be tranquillizing? 	shouldn't I have tranquillized?
shouldn't you have tranquillized?
shouldn't she have tranquillized?
shouldn't we have tranquillized?
shouldn't you have tranquillized?
shouldn't they have tranquillized? 	shouldn't I have been tranquillizing?
shouldn't you have been tranquillizing?
shouldn't she have been tranquillizing?
shouldn't we have been tranquillizing?
shouldn't you have been tranquillizing?
shouldn't they have been tranquillizing?