should laugh
Regular verb: laugh - laughed- laughed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd laugh
you'd laugh
she'd laugh
we'd laugh
you'd laugh
they'd laugh 	I'd be laughing
you'd be laughing
she'd be laughing
we'd be laughing
you'd be laughing
they'd be laughing	I should've laughed
you should've laughed
she should've laughed
we should've laughed
you should've laughed
they should've laughed	I should've been laughing
you should've been laughing
she should've been laughing
we should've been laughing
you should've been laughing
they should've been laughing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't laugh
you shouldn't laugh
she shouldn't laugh
we shouldn't laugh
you shouldn't laugh
they shouldn't laugh 	I shouldn't be laughing
you shouldn't be laughing
she shouldn't be laughing
we shouldn't be laughing
you shouldn't be laughing
they shouldn't be laughing	I shouldn't have laughed
you shouldn't have laughed
she shouldn't have laughed
we shouldn't have laughed
you shouldn't have laughed
they shouldn't have laughed	I shouldn't have been laughing
you shouldn't have been laughing
she shouldn't have been laughing
we shouldn't have been laughing
you shouldn't have been laughing
they shouldn't have been laughing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I laugh?
should you laugh?
should she laugh?
should we laugh?
should you laugh?
should they laugh? 	should I be laughing?
should you be laughing?
should she be laughing?
should we be laughing?
should you be laughing?
should they be laughing? 	should I have laughed?
should you have laughed?
should she have laughed?
should we have laughed?
should you have laughed?
should they have laughed? 	should I have been laughing?
should you have been laughing?
should she have been laughing?
should we have been laughing?
should you have been laughing?
should they have been laughing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I laugh?
shouldn't you laugh?
shouldn't she laugh?
shouldn't we laugh?
shouldn't you laugh?
shouldn't they laugh? 	shouldn't I be laughing?
shouldn't you be laughing?
shouldn't she be laughing?
shouldn't we be laughing?
shouldn't you be laughing?
shouldn't they be laughing? 	shouldn't I have laughed?
shouldn't you have laughed?
shouldn't she have laughed?
shouldn't we have laughed?
shouldn't you have laughed?
shouldn't they have laughed? 	shouldn't I have been laughing?
shouldn't you have been laughing?
shouldn't she have been laughing?
shouldn't we have been laughing?
shouldn't you have been laughing?
shouldn't they have been laughing?