should grin
Verbo regular: grin - grinned- grinned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should grin
you should grin
she should grin
we should grin
you should grin
they should grin 	I should be grinning
you should be grinning
she should be grinning
we should be grinning
you should be grinning
they should be grinning	I should have grinned
you should have grinned
she 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
she should have been grinning
we should have been grinning
you should have been grinning
they should have been grinning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not grin
you should not grin
she 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
she 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
she 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
she 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
should I grin?
should you grin?
should she grin?
should we grin?
should you grin?
should they grin? 	should I be grinning?
should you be grinning?
should she be grinning?
should we be grinning?
should you be grinning?
should they be grinning? 	should I have grinned?
should you have grinned?
should she 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 she have been grinning?
should we have been grinning?
should you have been grinning?
should they have been grinning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not grin?
should you not grin?
should she 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 she 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 she 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 she not have been grinning?
should we not have been grinning?
should you not have been grinning?
should they not have been grinning?