should grin
Verbo regular: grin - grinned- grinned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should grin
you should grin
he should grin
we should grin
you should grin
they should grin 	I should be grinning
you should be grinning
he should be grinning
we should be grinning
you should be grinning
they should be grinning	I should have grinned
you should have grinned
he should have grinned
we should have grinned
you should have grinned
they should have grinned	I should have been grinning
you should have been grinning
he should have been grinning
we should have been grinning
you should have been grinning
they should have been grinning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not grin
you should not grin
he should not grin
we should not grin
you should not grin
they should not grin 	I should not be grinning
you should not be grinning
he should not be grinning
we should not be grinning
you should not be grinning
they should not be grinning	I should not have grinned
you should not have grinned
he should not have grinned
we should not have grinned
you should not have grinned
they should not have grinned	I should not have been grinning
you should not have been grinning
he should not have been grinning
we should not have been grinning
you should not have been grinning
they should not have been grinning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I grin?
should you grin?
should he grin?
should we grin?
should you grin?
should they grin? 	should I be grinning?
should you be grinning?
should he be grinning?
should we be grinning?
should you be grinning?
should they be grinning? 	should I have grinned?
should you have grinned?
should he have grinned?
should we have grinned?
should you have grinned?
should they have grinned? 	should I have been grinning?
should you have been grinning?
should he have been grinning?
should we have been grinning?
should you have been grinning?
should they have been grinning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not grin?
should you not grin?
should he not grin?
should we not grin?
should you not grin?
should they not grin? 	should I not be grinning?
should you not be grinning?
should he not be grinning?
should we not be grinning?
should you not be grinning?
should they not be grinning? 	should I not have grinned?
should you not have grinned?
should he not have grinned?
should we not have grinned?
should you not have grinned?
should they not have grinned? 	should I not have been grinning?
should you not have been grinning?
should he not have been grinning?
should we not have been grinning?
should you not have been grinning?
should they not have been grinning?