should winterise
Regular verb: winterise - winterised- winterised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd winterise
you'd winterise
he'd winterise
we'd winterise
you'd winterise
they'd winterise 	I'd be winterising
you'd be winterising
he'd be winterising
we'd be winterising
you'd be winterising
they'd be winterising	I should've winterised
you should've winterised
he should've winterised
we should've winterised
you should've winterised
they should've winterised	I should've been winterising
you should've been winterising
he should've been winterising
we should've been winterising
you should've been winterising
they should've been winterising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't winterise
you shouldn't winterise
he shouldn't winterise
we shouldn't winterise
you shouldn't winterise
they shouldn't winterise 	I shouldn't be winterising
you shouldn't be winterising
he shouldn't be winterising
we shouldn't be winterising
you shouldn't be winterising
they shouldn't be winterising	I shouldn't have winterised
you shouldn't have winterised
he shouldn't have winterised
we shouldn't have winterised
you shouldn't have winterised
they shouldn't have winterised	I shouldn't have been winterising
you shouldn't have been winterising
he shouldn't have been winterising
we shouldn't have been winterising
you shouldn't have been winterising
they shouldn't have been winterising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I winterise?
should you winterise?
should he winterise?
should we winterise?
should you winterise?
should they winterise? 	should I be winterising?
should you be winterising?
should he be winterising?
should we be winterising?
should you be winterising?
should they be winterising? 	should I have winterised?
should you have winterised?
should he have winterised?
should we have winterised?
should you have winterised?
should they have winterised? 	should I have been winterising?
should you have been winterising?
should he have been winterising?
should we have been winterising?
should you have been winterising?
should they have been winterising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I winterise?
shouldn't you winterise?
shouldn't he winterise?
shouldn't we winterise?
shouldn't you winterise?
shouldn't they winterise? 	shouldn't I be winterising?
shouldn't you be winterising?
shouldn't he be winterising?
shouldn't we be winterising?
shouldn't you be winterising?
shouldn't they be winterising? 	shouldn't I have winterised?
shouldn't you have winterised?
shouldn't he have winterised?
shouldn't we have winterised?
shouldn't you have winterised?
shouldn't they have winterised? 	shouldn't I have been winterising?
shouldn't you have been winterising?
shouldn't he have been winterising?
shouldn't we have been winterising?
shouldn't you have been winterising?
shouldn't they have been winterising?