ought to quaff
Regular verb: quaff - quaffed- quaffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to quaff
you ought to quaff
he ought to quaff
we ought to quaff
you ought to quaff
they ought to quaff 	I ought to be quaffing
you ought to be quaffing
he ought to be quaffing
we ought to be quaffing
you ought to be quaffing
they ought to be quaffing	I ought to have quaffed
you ought to have quaffed
he ought to have quaffed
we ought to have quaffed
you ought to have quaffed
they ought to have quaffed	I ought to have been quaffing
you ought to have been quaffing
he ought to have been quaffing
we ought to have been quaffing
you ought to have been quaffing
they ought to have been quaffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to quaff
you ought not to quaff
he ought not to quaff
we ought not to quaff
you ought not to quaff
they ought not to quaff 	I ought not to quaffing
you ought not to quaffing
he ought not to quaffing
we ought not to quaffing
you ought not to quaffing
they ought not to quaffing	I ought not to have quaffed
you ought not to have quaffed
he ought not to have quaffed
we ought not to have quaffed
you ought not to have quaffed
they ought not to have quaffed	I ought not to have been quaffing
you ought not to have been quaffing
he ought not to have been quaffing
we ought not to have been quaffing
you ought not to have been quaffing
they ought not to have been quaffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I quaff?
ought to you quaff?
ought to he quaff?
ought to we quaff?
ought to you quaff?
ought to they quaff? 	ought to I be quaffing?
ought to you be quaffing?
ought to he be quaffing?
ought to we be quaffing?
ought to you be quaffing?
ought to they be quaffing? 	ought to I have quaffed?
ought to you have quaffed?
ought to he have quaffed?
ought to we have quaffed?
ought to you have quaffed?
ought to they have quaffed? 	ought to I have been quaffing?
ought to you have been quaffing?
ought to he have been quaffing?
ought to we have been quaffing?
ought to you have been quaffing?
ought to they have been quaffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to quaff?
ought you not to quaff?
ought he not to quaff?
ought we not to quaff?
ought you not to quaff?
ought they not to quaff? 	ought I not to be quaffing?
ought you not to be quaffing?
ought he not to be quaffing?
ought we not to be quaffing?
ought you not to be quaffing?
ought they not to be quaffing? 	ought I not to have quaffed?
ought you not to have quaffed?
ought he not to have quaffed?
ought we not to have quaffed?
ought you not to have quaffed?
ought they not to have quaffed? 	ought I not to have been quaffing?
ought you not to have been quaffing?
ought he not to have been quaffing?
ought we not to have been quaffing?
ought you not to have been quaffing?
ought they not to have been quaffing?