English verb conjugation
OUGHT TO ROOST

Regular verb: roost - roosted - roosted

Affirmation

Simple form	V-ing form
I ought to roost you ought to roost she ought to roost we ought to roost you ought to roost they ought to roost	I ought to be roosting you ought to be roosting she ought to be roosting we ought to be roosting you ought to be roosting they ought to be roosting
Perfect	V-ing perfect
I ought to have roosted you ought to have roosted she ought to have roosted we ought to have roosted you ought to have roosted they ought to have roosted	I ought to have been roosting you ought to have been roosting she ought to have been roosting we ought to have been roosting you ought to have been roosting they ought to have been roosting

Negation

Simple form	V-ing form
I oughtn't to roost you oughtn't to roost she oughtn't to roost we oughtn't to roost you oughtn't to roost they oughtn't to roost	I oughtn't to be roosting you oughtn't to be roosting she oughtn't to be roosting we oughtn't to be roosting you oughtn't to be roosting they oughtn't to be roosting
Perfect	V-ing perfect
I oughtn't to have roosted you oughtn't to have roosted she oughtn't to have roosted we oughtn't to have roosted you oughtn't to have roosted they oughtn't to have roosted	I oughtn't to have been roosting you oughtn't to have been roosting she oughtn't to have been roosting we oughtn't to have been roosting you oughtn't to have been roosting they oughtn't to have been roosting

Interrogative form

Simple form	V-ing form
ought to I roost? ought to you roost? ought to she roost? ought to we roost? ought to you roost? ought to they roost?	ought to I be roosting? ought to you be roosting? ought to she be roosting? ought to we be roosting? ought to you be roosting? ought to they be roosting?
Perfect	V-ing perfect
ought to I have roosted? ought to you have roosted? ought to she have roosted? ought to we have roosted? ought to you have roosted? ought to they have roosted?	ought to I have been roosting? ought to you have been roosting? ought to she have been roosting? ought to we have been roosting? ought to you have been roosting? ought to they have been roosting?

Interro-negative form

Simple form	V-ing form
oughtn't I to roost? oughtn't you to roost? oughtn't she to roost? oughtn't we to roost? oughtn't you to roost? oughtn't they to roost?	oughtn't I to be roosting? oughtn't you to be roosting? oughtn't she to be roosting? oughtn't we to be roosting? oughtn't you to be roosting? oughtn't they to be roosting?
Perfect	V-ing perfect
oughtn't I to have roosted? oughtn't you to have roosted? oughtn't she to have roosted? oughtn't we to have roosted? oughtn't you to have roosted? oughtn't they to have roosted?	oughtn't I to have been roosting? oughtn't you to have been roosting? oughtn't she to have been roosting? oughtn't we to have been roosting? oughtn't you to have been roosting? oughtn't they to have been roosting?