should sundown
Verbo regular: sundown - sundowned- sundowned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should sundown
you should sundown
she should sundown
we should sundown
you should sundown
they should sundown 	I should be sundowning
you should be sundowning
she should be sundowning
we should be sundowning
you should be sundowning
they should be sundowning	I should have sundowned
you should have sundowned
she should have sundowned
we should have sundowned
you should have sundowned
they should have sundowned	I should have been sundowning
you should have been sundowning
she should have been sundowning
we should have been sundowning
you should have been sundowning
they should have been sundowning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not sundown
you should not sundown
she should not sundown
we should not sundown
you should not sundown
they should not sundown 	I should not be sundowning
you should not be sundowning
she should not be sundowning
we should not be sundowning
you should not be sundowning
they should not be sundowning	I should not have sundowned
you should not have sundowned
she should not have sundowned
we should not have sundowned
you should not have sundowned
they should not have sundowned	I should not have been sundowning
you should not have been sundowning
she should not have been sundowning
we should not have been sundowning
you should not have been sundowning
they should not have been sundowning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I sundown?
should you sundown?
should she sundown?
should we sundown?
should you sundown?
should they sundown? 	should I be sundowning?
should you be sundowning?
should she be sundowning?
should we be sundowning?
should you be sundowning?
should they be sundowning? 	should I have sundowned?
should you have sundowned?
should she have sundowned?
should we have sundowned?
should you have sundowned?
should they have sundowned? 	should I have been sundowning?
should you have been sundowning?
should she have been sundowning?
should we have been sundowning?
should you have been sundowning?
should they have been sundowning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not sundown?
should you not sundown?
should she not sundown?
should we not sundown?
should you not sundown?
should they not sundown? 	should I not be sundowning?
should you not be sundowning?
should she not be sundowning?
should we not be sundowning?
should you not be sundowning?
should they not be sundowning? 	should I not have sundowned?
should you not have sundowned?
should she not have sundowned?
should we not have sundowned?
should you not have sundowned?
should they not have sundowned? 	should I not have been sundowning?
should you not have been sundowning?
should she not have been sundowning?
should we not have been sundowning?
should you not have been sundowning?
should they not have been sundowning?