should celebrate
Regular verb: celebrate - celebrated- celebrated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd celebrate
you'd celebrate
she'd celebrate
we'd celebrate
you'd celebrate
they'd celebrate 	I'd be celebrating
you'd be celebrating
she'd be celebrating
we'd be celebrating
you'd be celebrating
they'd be celebrating	I should've celebrated
you should've celebrated
she should've celebrated
we should've celebrated
you should've celebrated
they should've celebrated	I should've been celebrating
you should've been celebrating
she should've been celebrating
we should've been celebrating
you should've been celebrating
they should've been celebrating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't celebrate
you shouldn't celebrate
she shouldn't celebrate
we shouldn't celebrate
you shouldn't celebrate
they shouldn't celebrate 	I shouldn't be celebrating
you shouldn't be celebrating
she shouldn't be celebrating
we shouldn't be celebrating
you shouldn't be celebrating
they shouldn't be celebrating	I shouldn't have celebrated
you shouldn't have celebrated
she shouldn't have celebrated
we shouldn't have celebrated
you shouldn't have celebrated
they shouldn't have celebrated	I shouldn't have been celebrating
you shouldn't have been celebrating
she shouldn't have been celebrating
we shouldn't have been celebrating
you shouldn't have been celebrating
they shouldn't have been celebrating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I celebrate?
should you celebrate?
should she celebrate?
should we celebrate?
should you celebrate?
should they celebrate? 	should I be celebrating?
should you be celebrating?
should she be celebrating?
should we be celebrating?
should you be celebrating?
should they be celebrating? 	should I have celebrated?
should you have celebrated?
should she have celebrated?
should we have celebrated?
should you have celebrated?
should they have celebrated? 	should I have been celebrating?
should you have been celebrating?
should she have been celebrating?
should we have been celebrating?
should you have been celebrating?
should they have been celebrating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I celebrate?
shouldn't you celebrate?
shouldn't she celebrate?
shouldn't we celebrate?
shouldn't you celebrate?
shouldn't they celebrate? 	shouldn't I be celebrating?
shouldn't you be celebrating?
shouldn't she be celebrating?
shouldn't we be celebrating?
shouldn't you be celebrating?
shouldn't they be celebrating? 	shouldn't I have celebrated?
shouldn't you have celebrated?
shouldn't she have celebrated?
shouldn't we have celebrated?
shouldn't you have celebrated?
shouldn't they have celebrated? 	shouldn't I have been celebrating?
shouldn't you have been celebrating?
shouldn't she have been celebrating?
shouldn't we have been celebrating?
shouldn't you have been celebrating?
shouldn't they have been celebrating?