should group
Verbo regular: group - grouped- grouped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd group
you'd group
she'd group
we'd group
you'd group
they'd group 	I'd be grouping
you'd be grouping
she'd be grouping
we'd be grouping
you'd be grouping
they'd be grouping	I should've grouped
you should've grouped
she should've grouped
we should've grouped
you should've grouped
they should've grouped	I should've been grouping
you should've been grouping
she should've been grouping
we should've been grouping
you should've been grouping
they should've been grouping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't group
you shouldn't group
she shouldn't group
we shouldn't group
you shouldn't group
they shouldn't group 	I shouldn't be grouping
you shouldn't be grouping
she shouldn't be grouping
we shouldn't be grouping
you shouldn't be grouping
they shouldn't be grouping	I shouldn't have grouped
you shouldn't have grouped
she shouldn't have grouped
we shouldn't have grouped
you shouldn't have grouped
they shouldn't have grouped	I shouldn't have been grouping
you shouldn't have been grouping
she shouldn't have been grouping
we shouldn't have been grouping
you shouldn't have been grouping
they shouldn't have been grouping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I group?
should you group?
should she group?
should we group?
should you group?
should they group? 	should I be grouping?
should you be grouping?
should she be grouping?
should we be grouping?
should you be grouping?
should they be grouping? 	should I have grouped?
should you have grouped?
should she have grouped?
should we have grouped?
should you have grouped?
should they have grouped? 	should I have been grouping?
should you have been grouping?
should she have been grouping?
should we have been grouping?
should you have been grouping?
should they have been grouping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I group?
shouldn't you group?
shouldn't she group?
shouldn't we group?
shouldn't you group?
shouldn't they group? 	shouldn't I be grouping?
shouldn't you be grouping?
shouldn't she be grouping?
shouldn't we be grouping?
shouldn't you be grouping?
shouldn't they be grouping? 	shouldn't I have grouped?
shouldn't you have grouped?
shouldn't she have grouped?
shouldn't we have grouped?
shouldn't you have grouped?
shouldn't they have grouped? 	shouldn't I have been grouping?
shouldn't you have been grouping?
shouldn't she have been grouping?
shouldn't we have been grouping?
shouldn't you have been grouping?
shouldn't they have been grouping?