should guffaw
Verbo regular: guffaw - guffawed- guffawed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd guffaw
you'd guffaw
he'd guffaw
we'd guffaw
you'd guffaw
they'd guffaw 	I'd be guffawing
you'd be guffawing
he'd be guffawing
we'd be guffawing
you'd be guffawing
they'd be guffawing	I should've guffawed
you should've guffawed
he should've guffawed
we should've guffawed
you should've guffawed
they should've guffawed	I should've been guffawing
you should've been guffawing
he should've been guffawing
we should've been guffawing
you should've been guffawing
they should've been guffawing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't guffaw
you shouldn't guffaw
he shouldn't guffaw
we shouldn't guffaw
you shouldn't guffaw
they shouldn't guffaw 	I shouldn't be guffawing
you shouldn't be guffawing
he shouldn't be guffawing
we shouldn't be guffawing
you shouldn't be guffawing
they shouldn't be guffawing	I shouldn't have guffawed
you shouldn't have guffawed
he shouldn't have guffawed
we shouldn't have guffawed
you shouldn't have guffawed
they shouldn't have guffawed	I shouldn't have been guffawing
you shouldn't have been guffawing
he shouldn't have been guffawing
we shouldn't have been guffawing
you shouldn't have been guffawing
they shouldn't have been guffawing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I guffaw?
should you guffaw?
should he guffaw?
should we guffaw?
should you guffaw?
should they guffaw? 	should I be guffawing?
should you be guffawing?
should he be guffawing?
should we be guffawing?
should you be guffawing?
should they be guffawing? 	should I have guffawed?
should you have guffawed?
should he have guffawed?
should we have guffawed?
should you have guffawed?
should they have guffawed? 	should I have been guffawing?
should you have been guffawing?
should he have been guffawing?
should we have been guffawing?
should you have been guffawing?
should they have been guffawing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I guffaw?
shouldn't you guffaw?
shouldn't he guffaw?
shouldn't we guffaw?
shouldn't you guffaw?
shouldn't they guffaw? 	shouldn't I be guffawing?
shouldn't you be guffawing?
shouldn't he be guffawing?
shouldn't we be guffawing?
shouldn't you be guffawing?
shouldn't they be guffawing? 	shouldn't I have guffawed?
shouldn't you have guffawed?
shouldn't he have guffawed?
shouldn't we have guffawed?
shouldn't you have guffawed?
shouldn't they have guffawed? 	shouldn't I have been guffawing?
shouldn't you have been guffawing?
shouldn't he have been guffawing?
shouldn't we have been guffawing?
shouldn't you have been guffawing?
shouldn't they have been guffawing?