ought to screw
Regular verb: screw - screwed- screwed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to screw
you ought to screw
he ought to screw
we ought to screw
you ought to screw
they ought to screw 	I ought to be screwing
you ought to be screwing
he ought to be screwing
we ought to be screwing
you ought to be screwing
they ought to be screwing	I ought to have screwed
you ought to have screwed
he ought to have screwed
we ought to have screwed
you ought to have screwed
they ought to have screwed	I ought to have been screwing
you ought to have been screwing
he ought to have been screwing
we ought to have been screwing
you ought to have been screwing
they ought to have been screwing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to screw
you ought not to screw
he ought not to screw
we ought not to screw
you ought not to screw
they ought not to screw 	I ought not to screwing
you ought not to screwing
he ought not to screwing
we ought not to screwing
you ought not to screwing
they ought not to screwing	I ought not to have screwed
you ought not to have screwed
he ought not to have screwed
we ought not to have screwed
you ought not to have screwed
they ought not to have screwed	I ought not to have been screwing
you ought not to have been screwing
he ought not to have been screwing
we ought not to have been screwing
you ought not to have been screwing
they ought not to have been screwing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I screw?
ought to you screw?
ought to he screw?
ought to we screw?
ought to you screw?
ought to they screw? 	ought to I be screwing?
ought to you be screwing?
ought to he be screwing?
ought to we be screwing?
ought to you be screwing?
ought to they be screwing? 	ought to I have screwed?
ought to you have screwed?
ought to he have screwed?
ought to we have screwed?
ought to you have screwed?
ought to they have screwed? 	ought to I have been screwing?
ought to you have been screwing?
ought to he have been screwing?
ought to we have been screwing?
ought to you have been screwing?
ought to they have been screwing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to screw?
ought you not to screw?
ought he not to screw?
ought we not to screw?
ought you not to screw?
ought they not to screw? 	ought I not to be screwing?
ought you not to be screwing?
ought he not to be screwing?
ought we not to be screwing?
ought you not to be screwing?
ought they not to be screwing? 	ought I not to have screwed?
ought you not to have screwed?
ought he not to have screwed?
ought we not to have screwed?
ought you not to have screwed?
ought they not to have screwed? 	ought I not to have been screwing?
ought you not to have been screwing?
ought he not to have been screwing?
ought we not to have been screwing?
ought you not to have been screwing?
ought they not to have been screwing?