should forestall
Verbo regular: forestall - forestalled- forestalled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should forestall
you should forestall
she should forestall
we should forestall
you should forestall
they should forestall 	I should be forestalling
you should be forestalling
she should be forestalling
we should be forestalling
you should be forestalling
they should be forestalling	I should have forestalled
you should have forestalled
she should have forestalled
we should have forestalled
you should have forestalled
they should have forestalled	I should have been forestalling
you should have been forestalling
she should have been forestalling
we should have been forestalling
you should have been forestalling
they should have been forestalling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not forestall
you should not forestall
she should not forestall
we should not forestall
you should not forestall
they should not forestall 	I should not be forestalling
you should not be forestalling
she should not be forestalling
we should not be forestalling
you should not be forestalling
they should not be forestalling	I should not have forestalled
you should not have forestalled
she should not have forestalled
we should not have forestalled
you should not have forestalled
they should not have forestalled	I should not have been forestalling
you should not have been forestalling
she should not have been forestalling
we should not have been forestalling
you should not have been forestalling
they should not have been forestalling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I forestall?
should you forestall?
should she forestall?
should we forestall?
should you forestall?
should they forestall? 	should I be forestalling?
should you be forestalling?
should she be forestalling?
should we be forestalling?
should you be forestalling?
should they be forestalling? 	should I have forestalled?
should you have forestalled?
should she have forestalled?
should we have forestalled?
should you have forestalled?
should they have forestalled? 	should I have been forestalling?
should you have been forestalling?
should she have been forestalling?
should we have been forestalling?
should you have been forestalling?
should they have been forestalling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not forestall?
should you not forestall?
should she not forestall?
should we not forestall?
should you not forestall?
should they not forestall? 	should I not be forestalling?
should you not be forestalling?
should she not be forestalling?
should we not be forestalling?
should you not be forestalling?
should they not be forestalling? 	should I not have forestalled?
should you not have forestalled?
should she not have forestalled?
should we not have forestalled?
should you not have forestalled?
should they not have forestalled? 	should I not have been forestalling?
should you not have been forestalling?
should she not have been forestalling?
should we not have been forestalling?
should you not have been forestalling?
should they not have been forestalling?