should roost
Regular verb: roost - roosted- roosted

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not roost
you should not roost
she should not roost
we should not roost
you should not roost
they should not roost 	I should not be roosting
you should not be roosting
she should not be roosting
we should not be roosting
you should not be roosting
they should not be roosting	I should not have roosted
you should not have roosted
she should not have roosted
we should not have roosted
you should not have roosted
they should not have roosted	I should not have been roosting
you should not have been roosting
she should not have been roosting
we should not have been roosting
you should not have been roosting
they should not have been roosting	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not roost?
should you not roost?
should she not roost?
should we not roost?
should you not roost?
should they not roost? 	should I not be roosting?
should you not be roosting?
should she not be roosting?
should we not be roosting?
should you not be roosting?
should they not be roosting? 	should I not have roosted?
should you not have roosted?
should she not have roosted?
should we not have roosted?
should you not have roosted?
should they not have roosted? 	should I not have been roosting?
should you not have been roosting?
should she not have been roosting?
should we not have been roosting?
should you not have been roosting?
should they not have been roosting?