ought to overstay
Regular verb: overstay - overstayed- overstayed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to overstay
you ought to overstay
he ought to overstay
we ought to overstay
you ought to overstay
they ought to overstay 	I ought to be overstaying
you ought to be overstaying
he ought to be overstaying
we ought to be overstaying
you ought to be overstaying
they ought to be overstaying	I ought to have overstayed
you ought to have overstayed
he ought to have overstayed
we ought to have overstayed
you ought to have overstayed
they ought to have overstayed	I ought to have been overstaying
you ought to have been overstaying
he ought to have been overstaying
we ought to have been overstaying
you ought to have been overstaying
they ought to have been overstaying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to overstay
you oughtn't to overstay
he oughtn't to overstay
we oughtn't to overstay
you oughtn't to overstay
they oughtn't to overstay 	I oughtn't to be overstaying
you oughtn't to be overstaying
he oughtn't to be overstaying
we oughtn't to be overstaying
you oughtn't to be overstaying
they oughtn't to be overstaying	I oughtn't to have overstayed
you oughtn't to have overstayed
he oughtn't to have overstayed
we oughtn't to have overstayed
you oughtn't to have overstayed
they oughtn't to have overstayed	I oughtn't to have been overstaying
you oughtn't to have been overstaying
he oughtn't to have been overstaying
we oughtn't to have been overstaying
you oughtn't to have been overstaying
they oughtn't to have been overstaying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I overstay?
ought to you overstay?
ought to he overstay?
ought to we overstay?
ought to you overstay?
ought to they overstay? 	ought to I be overstaying?
ought to you be overstaying?
ought to he be overstaying?
ought to we be overstaying?
ought to you be overstaying?
ought to they be overstaying? 	ought to I have overstayed?
ought to you have overstayed?
ought to he have overstayed?
ought to we have overstayed?
ought to you have overstayed?
ought to they have overstayed? 	ought to I have been overstaying?
ought to you have been overstaying?
ought to he have been overstaying?
ought to we have been overstaying?
ought to you have been overstaying?
ought to they have been overstaying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to overstay?
oughtn't you to overstay?
oughtn't he to overstay?
oughtn't we to overstay?
oughtn't you to overstay?
oughtn't they to overstay? 	oughtn't I to be overstaying?
oughtn't you to be overstaying?
oughtn't he to be overstaying?
oughtn't we to be overstaying?
oughtn't you to be overstaying?
oughtn't they to be overstaying? 	oughtn't I to have overstayed?
oughtn't you to have overstayed?
oughtn't he to have overstayed?
oughtn't we to have overstayed?
oughtn't you to have overstayed?
oughtn't they to have overstayed? 	oughtn't I to have been overstaying?
oughtn't you to have been overstaying?
oughtn't he to have been overstaying?
oughtn't we to have been overstaying?
oughtn't you to have been overstaying?
oughtn't they to have been overstaying?