ought to duck
Regular verb: duck - ducked- ducked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to duck
you ought to duck
she ought to duck
we ought to duck
you ought to duck
they ought to duck 	I ought to be ducking
you ought to be ducking
she ought to be ducking
we ought to be ducking
you ought to be ducking
they ought to be ducking	I ought to have ducked
you ought to have ducked
she ought to have ducked
we ought to have ducked
you ought to have ducked
they ought to have ducked	I ought to have been ducking
you ought to have been ducking
she ought to have been ducking
we ought to have been ducking
you ought to have been ducking
they ought to have been ducking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to duck
you ought not to duck
she ought not to duck
we ought not to duck
you ought not to duck
they ought not to duck 	I ought not to ducking
you ought not to ducking
she ought not to ducking
we ought not to ducking
you ought not to ducking
they ought not to ducking	I ought not to have ducked
you ought not to have ducked
she ought not to have ducked
we ought not to have ducked
you ought not to have ducked
they ought not to have ducked	I ought not to have been ducking
you ought not to have been ducking
she ought not to have been ducking
we ought not to have been ducking
you ought not to have been ducking
they ought not to have been ducking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I duck?
ought to you duck?
ought to she duck?
ought to we duck?
ought to you duck?
ought to they duck? 	ought to I be ducking?
ought to you be ducking?
ought to she be ducking?
ought to we be ducking?
ought to you be ducking?
ought to they be ducking? 	ought to I have ducked?
ought to you have ducked?
ought to she have ducked?
ought to we have ducked?
ought to you have ducked?
ought to they have ducked? 	ought to I have been ducking?
ought to you have been ducking?
ought to she have been ducking?
ought to we have been ducking?
ought to you have been ducking?
ought to they have been ducking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to duck?
ought you not to duck?
ought she not to duck?
ought we not to duck?
ought you not to duck?
ought they not to duck? 	ought I not to be ducking?
ought you not to be ducking?
ought she not to be ducking?
ought we not to be ducking?
ought you not to be ducking?
ought they not to be ducking? 	ought I not to have ducked?
ought you not to have ducked?
ought she not to have ducked?
ought we not to have ducked?
ought you not to have ducked?
ought they not to have ducked? 	ought I not to have been ducking?
ought you not to have been ducking?
ought she not to have been ducking?
ought we not to have been ducking?
ought you not to have been ducking?
ought they not to have been ducking?