should guffaw
Regular verb: guffaw - guffawed- guffawed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should guffaw
you should guffaw
he should guffaw
we should guffaw
you should guffaw
they should guffaw 	I should be guffawing
you should be guffawing
he should be guffawing
we should be guffawing
you should be guffawing
they should be guffawing	I should have guffawed
you should have guffawed
he should have guffawed
we should have guffawed
you should have guffawed
they should have guffawed	I should have been guffawing
you should have been guffawing
he should have been guffawing
we should have been guffawing
you should have been guffawing
they should have been guffawing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not guffaw
you should not guffaw
he should not guffaw
we should not guffaw
you should not guffaw
they should not guffaw 	I should not be guffawing
you should not be guffawing
he should not be guffawing
we should not be guffawing
you should not be guffawing
they should not be guffawing	I should not have guffawed
you should not have guffawed
he should not have guffawed
we should not have guffawed
you should not have guffawed
they should not have guffawed	I should not have been guffawing
you should not have been guffawing
he should not have been guffawing
we should not have been guffawing
you should not have been guffawing
they should not have been guffawing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not guffaw?
should you not guffaw?
should he not guffaw?
should we not guffaw?
should you not guffaw?
should they not guffaw? 	should I not be guffawing?
should you not be guffawing?
should he not be guffawing?
should we not be guffawing?
should you not be guffawing?
should they not be guffawing? 	should I not have guffawed?
should you not have guffawed?
should he not have guffawed?
should we not have guffawed?
should you not have guffawed?
should they not have guffawed? 	should I not have been guffawing?
should you not have been guffawing?
should he not have been guffawing?
should we not have been guffawing?
should you not have been guffawing?
should they not have been guffawing?