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
she 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
she 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
she 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
she 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
she 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
she 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
she 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
she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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?