ought to prebuy
Irregular verb: prebuy - prebought- prebought

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to prebuy
you ought to prebuy
he ought to prebuy
we ought to prebuy
you ought to prebuy
they ought to prebuy 	I ought to be prebuying
you ought to be prebuying
he ought to be prebuying
we ought to be prebuying
you ought to be prebuying
they ought to be prebuying	I ought to have prebought
you ought to have prebought
he ought to have prebought
we ought to have prebought
you ought to have prebought
they ought to have prebought	I ought to have been prebuying
you ought to have been prebuying
he ought to have been prebuying
we ought to have been prebuying
you ought to have been prebuying
they ought to have been prebuying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to prebuy
you ought not to prebuy
he ought not to prebuy
we ought not to prebuy
you ought not to prebuy
they ought not to prebuy 	I ought not to prebuying
you ought not to prebuying
he ought not to prebuying
we ought not to prebuying
you ought not to prebuying
they ought not to prebuying	I ought not to have prebought
you ought not to have prebought
he ought not to have prebought
we ought not to have prebought
you ought not to have prebought
they ought not to have prebought	I ought not to have been prebuying
you ought not to have been prebuying
he ought not to have been prebuying
we ought not to have been prebuying
you ought not to have been prebuying
they ought not to have been prebuying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I prebuy?
ought to you prebuy?
ought to he prebuy?
ought to we prebuy?
ought to you prebuy?
ought to they prebuy? 	ought to I be prebuying?
ought to you be prebuying?
ought to he be prebuying?
ought to we be prebuying?
ought to you be prebuying?
ought to they be prebuying? 	ought to I have prebought?
ought to you have prebought?
ought to he have prebought?
ought to we have prebought?
ought to you have prebought?
ought to they have prebought? 	ought to I have been prebuying?
ought to you have been prebuying?
ought to he have been prebuying?
ought to we have been prebuying?
ought to you have been prebuying?
ought to they have been prebuying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to prebuy?
ought you not to prebuy?
ought he not to prebuy?
ought we not to prebuy?
ought you not to prebuy?
ought they not to prebuy? 	ought I not to be prebuying?
ought you not to be prebuying?
ought he not to be prebuying?
ought we not to be prebuying?
ought you not to be prebuying?
ought they not to be prebuying? 	ought I not to have prebought?
ought you not to have prebought?
ought he not to have prebought?
ought we not to have prebought?
ought you not to have prebought?
ought they not to have prebought? 	ought I not to have been prebuying?
ought you not to have been prebuying?
ought he not to have been prebuying?
ought we not to have been prebuying?
ought you not to have been prebuying?
ought they not to have been prebuying?