ought to roost
Verbe régulier : roost - roosted- roosted
Traduction française : se percher - (se) jucher 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to roost
you ought to roost
he 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
he ought to be roosting
we ought to be roosting
you ought to be roosting
they ought to be roosting	I ought to have roosted
you ought to have roosted
he 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
he ought to have been roosting
we ought to have been roosting
you ought to have been roosting
they ought to have been roosting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought not to roost
you ought not to roost
he ought not to roost
we ought not to roost
you ought not to roost
they ought not to roost 	I ought not to roosting
you ought not to roosting
he ought not to roosting
we ought not to roosting
you ought not to roosting
they ought not to roosting	I ought not to have roosted
you ought not to have roosted
he ought not to have roosted
we ought not to have roosted
you ought not to have roosted
they ought not to have roosted	I ought not to have been roosting
you ought not to have been roosting
he ought not to have been roosting
we ought not to have been roosting
you ought not to have been roosting
they ought not to have been roosting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I roost?
ought to you roost?
ought to he 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 he be roosting?
ought to we be roosting?
ought to you be roosting?
ought to they be roosting? 	ought to I have roosted?
ought to you have roosted?
ought to he 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 he have been roosting?
ought to we have been roosting?
ought to you have been roosting?
ought to they have been roosting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought I not to roost?
ought you not to roost?
ought he not to roost?
ought we not to roost?
ought you not to roost?
ought they not to roost? 	ought I not to be roosting?
ought you not to be roosting?
ought he not to be roosting?
ought we not to be roosting?
ought you not to be roosting?
ought they not to be roosting? 	ought I not to have roosted?
ought you not to have roosted?
ought he not to have roosted?
ought we not to have roosted?
ought you not to have roosted?
ought they not to have roosted? 	ought I not to have been roosting?
ought you not to have been roosting?
ought he not to have been roosting?
ought we not to have been roosting?
ought you not to have been roosting?
ought they not to have been roosting?