ought to guffaw
Regular verb: guffaw - guffawed- guffawed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to guffaw
you ought to guffaw
she ought to guffaw
we ought to guffaw
you ought to guffaw
they ought to guffaw 	I ought to be guffawing
you ought to be guffawing
she ought to be guffawing
we ought to be guffawing
you ought to be guffawing
they ought to be guffawing	I ought to have guffawed
you ought to have guffawed
she ought to have guffawed
we ought to have guffawed
you ought to have guffawed
they ought to have guffawed	I ought to have been guffawing
you ought to have been guffawing
she ought to have been guffawing
we ought to have been guffawing
you ought to have been guffawing
they ought to have been guffawing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to guffaw
you ought not to guffaw
she ought not to guffaw
we ought not to guffaw
you ought not to guffaw
they ought not to guffaw 	I ought not to guffawing
you ought not to guffawing
she ought not to guffawing
we ought not to guffawing
you ought not to guffawing
they ought not to guffawing	I ought not to have guffawed
you ought not to have guffawed
she ought not to have guffawed
we ought not to have guffawed
you ought not to have guffawed
they ought not to have guffawed	I ought not to have been guffawing
you ought not to have been guffawing
she ought not to have been guffawing
we ought not to have been guffawing
you ought not to have been guffawing
they ought not to have been guffawing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I guffaw?
ought to you guffaw?
ought to she guffaw?
ought to we guffaw?
ought to you guffaw?
ought to they guffaw? 	ought to I be guffawing?
ought to you be guffawing?
ought to she be guffawing?
ought to we be guffawing?
ought to you be guffawing?
ought to they be guffawing? 	ought to I have guffawed?
ought to you have guffawed?
ought to she have guffawed?
ought to we have guffawed?
ought to you have guffawed?
ought to they have guffawed? 	ought to I have been guffawing?
ought to you have been guffawing?
ought to she have been guffawing?
ought to we have been guffawing?
ought to you have been guffawing?
ought to they have been guffawing? 	

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