should single
Verbo regular: single - singled- singled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should single
you should single
she should single
we should single
you should single
they should single 	I should be singling
you should be singling
she should be singling
we should be singling
you should be singling
they should be singling	I should have singled
you should have singled
she should have singled
we should have singled
you should have singled
they should have singled	I should have been singling
you should have been singling
she should have been singling
we should have been singling
you should have been singling
they should have been singling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not single
you should not single
she should not single
we should not single
you should not single
they should not single 	I should not be singling
you should not be singling
she should not be singling
we should not be singling
you should not be singling
they should not be singling	I should not have singled
you should not have singled
she should not have singled
we should not have singled
you should not have singled
they should not have singled	I should not have been singling
you should not have been singling
she should not have been singling
we should not have been singling
you should not have been singling
they should not have been singling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I single?
should you single?
should she single?
should we single?
should you single?
should they single? 	should I be singling?
should you be singling?
should she be singling?
should we be singling?
should you be singling?
should they be singling? 	should I have singled?
should you have singled?
should she have singled?
should we have singled?
should you have singled?
should they have singled? 	should I have been singling?
should you have been singling?
should she have been singling?
should we have been singling?
should you have been singling?
should they have been singling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not single?
should you not single?
should she not single?
should we not single?
should you not single?
should they not single? 	should I not be singling?
should you not be singling?
should she not be singling?
should we not be singling?
should you not be singling?
should they not be singling? 	should I not have singled?
should you not have singled?
should she not have singled?
should we not have singled?
should you not have singled?
should they not have singled? 	should I not have been singling?
should you not have been singling?
should she not have been singling?
should we not have been singling?
should you not have been singling?
should they not have been singling?