ought to drub
Regular verb: drub - drubbed- drubbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to drub
you ought to drub
he ought to drub
we ought to drub
you ought to drub
they ought to drub 	I ought to be drubbing
you ought to be drubbing
he ought to be drubbing
we ought to be drubbing
you ought to be drubbing
they ought to be drubbing	I ought to have drubbed
you ought to have drubbed
he ought to have drubbed
we ought to have drubbed
you ought to have drubbed
they ought to have drubbed	I ought to have been drubbing
you ought to have been drubbing
he ought to have been drubbing
we ought to have been drubbing
you ought to have been drubbing
they ought to have been drubbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to drub
you ought not to drub
he ought not to drub
we ought not to drub
you ought not to drub
they ought not to drub 	I ought not to drubbing
you ought not to drubbing
he ought not to drubbing
we ought not to drubbing
you ought not to drubbing
they ought not to drubbing	I ought not to have drubbed
you ought not to have drubbed
he ought not to have drubbed
we ought not to have drubbed
you ought not to have drubbed
they ought not to have drubbed	I ought not to have been drubbing
you ought not to have been drubbing
he ought not to have been drubbing
we ought not to have been drubbing
you ought not to have been drubbing
they ought not to have been drubbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I drub?
ought to you drub?
ought to he drub?
ought to we drub?
ought to you drub?
ought to they drub? 	ought to I be drubbing?
ought to you be drubbing?
ought to he be drubbing?
ought to we be drubbing?
ought to you be drubbing?
ought to they be drubbing? 	ought to I have drubbed?
ought to you have drubbed?
ought to he have drubbed?
ought to we have drubbed?
ought to you have drubbed?
ought to they have drubbed? 	ought to I have been drubbing?
ought to you have been drubbing?
ought to he have been drubbing?
ought to we have been drubbing?
ought to you have been drubbing?
ought to they have been drubbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to drub?
ought you not to drub?
ought he not to drub?
ought we not to drub?
ought you not to drub?
ought they not to drub? 	ought I not to be drubbing?
ought you not to be drubbing?
ought he not to be drubbing?
ought we not to be drubbing?
ought you not to be drubbing?
ought they not to be drubbing? 	ought I not to have drubbed?
ought you not to have drubbed?
ought he not to have drubbed?
ought we not to have drubbed?
ought you not to have drubbed?
ought they not to have drubbed? 	ought I not to have been drubbing?
ought you not to have been drubbing?
ought he not to have been drubbing?
ought we not to have been drubbing?
ought you not to have been drubbing?
ought they not to have been drubbing?