can 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 can roost
you can roost
she can roost
we can roost
you can roost
they can roost 	I can be roosting
you can be roosting
she can be roosting
we can be roosting
you can be roosting
they can be roosting	I can have roosted
you can have roosted
she can have roosted
we can have roosted
you can have roosted
they can have roosted	I can have been roosting
you can have been roosting
she can have been roosting
we can have been roosting
you can have been roosting
they can have been roosting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot roost
you cannot roost
she cannot roost
we cannot roost
you cannot roost
they cannot roost 	I cannot be roosting
you cannot be roosting
she cannot be roosting
we cannot be roosting
you cannot be roosting
they cannot be roosting	I cannot have roosted
you cannot have roosted
she cannot have roosted
we cannot have roosted
you cannot have roosted
they cannot have roosted	I cannot have been roosting
you cannot have been roosting
she cannot have been roosting
we cannot have been roosting
you cannot have been roosting
they cannot have been roosting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I roost?
can you roost?
can she roost?
can we roost?
can you roost?
can they roost? 	can I be roosting?
can you be roosting?
can she be roosting?
can we be roosting?
can you be roosting?
can they be roosting? 	can I have roosted?
can you have roosted?
can she have roosted?
can we have roosted?
can you have roosted?
can they have roosted? 	can I have been roosting?
can you have been roosting?
can she have been roosting?
can we have been roosting?
can you have been roosting?
can they have been roosting? 	

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