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 oughtn't to screw
you oughtn't to screw
he oughtn't to screw
we oughtn't to screw
you oughtn't to screw
they oughtn't to screw 	I oughtn't to be screwing
you oughtn't to be screwing
he oughtn't to be screwing
we oughtn't to be screwing
you oughtn't to be screwing
they oughtn't to be screwing	I oughtn't to have screwed
you oughtn't to have screwed
he oughtn't to have screwed
we oughtn't to have screwed
you oughtn't to have screwed
they oughtn't to have screwed	I oughtn't to have been screwing
you oughtn't to have been screwing
he oughtn't to have been screwing
we oughtn't to have been screwing
you oughtn't to have been screwing
they oughtn't 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 	
oughtn't I to screw?
oughtn't you to screw?
oughtn't he to screw?
oughtn't we to screw?
oughtn't you to screw?
oughtn't they to screw? 	oughtn't I to be screwing?
oughtn't you to be screwing?
oughtn't he to be screwing?
oughtn't we to be screwing?
oughtn't you to be screwing?
oughtn't they to be screwing? 	oughtn't I to have screwed?
oughtn't you to have screwed?
oughtn't he to have screwed?
oughtn't we to have screwed?
oughtn't you to have screwed?
oughtn't they to have screwed? 	oughtn't I to have been screwing?
oughtn't you to have been screwing?
oughtn't he to have been screwing?
oughtn't we to have been screwing?
oughtn't you to have been screwing?
oughtn't they to have been screwing?