should tie
Verbo regular: tie - tied- tied

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should tie
you should tie
she should tie
we should tie
you should tie
they should tie 	I should be tying
you should be tying
she should be tying
we should be tying
you should be tying
they should be tying	I should have tied
you should have tied
she should have tied
we should have tied
you should have tied
they should have tied	I should have been tying
you should have been tying
she should have been tying
we should have been tying
you should have been tying
they should have been tying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not tie
you should not tie
she should not tie
we should not tie
you should not tie
they should not tie 	I should not be tying
you should not be tying
she should not be tying
we should not be tying
you should not be tying
they should not be tying	I should not have tied
you should not have tied
she should not have tied
we should not have tied
you should not have tied
they should not have tied	I should not have been tying
you should not have been tying
she should not have been tying
we should not have been tying
you should not have been tying
they should not have been tying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I tie?
should you tie?
should she tie?
should we tie?
should you tie?
should they tie? 	should I be tying?
should you be tying?
should she be tying?
should we be tying?
should you be tying?
should they be tying? 	should I have tied?
should you have tied?
should she have tied?
should we have tied?
should you have tied?
should they have tied? 	should I have been tying?
should you have been tying?
should she have been tying?
should we have been tying?
should you have been tying?
should they have been tying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not tie?
should you not tie?
should she not tie?
should we not tie?
should you not tie?
should they not tie? 	should I not be tying?
should you not be tying?
should she not be tying?
should we not be tying?
should you not be tying?
should they not be tying? 	should I not have tied?
should you not have tied?
should she not have tied?
should we not have tied?
should you not have tied?
should they not have tied? 	should I not have been tying?
should you not have been tying?
should she not have been tying?
should we not have been tying?
should you not have been tying?
should they not have been tying?