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
he should single
we should single
you should single
they should single 	I should be singling
you should be singling
he should be singling
we should be singling
you should be singling
they should be singling	I should have singled
you should have singled
he 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
he 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
he 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
he 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
he 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
he 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 he single?
should we single?
should you single?
should they single? 	should I be singling?
should you be singling?
should he be singling?
should we be singling?
should you be singling?
should they be singling? 	should I have singled?
should you have singled?
should he 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 he 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 he 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 he 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 he 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 he not have been singling?
should we not have been singling?
should you not have been singling?
should they not have been singling?