should tow
Verbo regular: tow - towed- towed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should tow
you should tow
she should tow
we should tow
you should tow
they should tow 	I should be towing
you should be towing
she should be towing
we should be towing
you should be towing
they should be towing	I should have towed
you should have towed
she should have towed
we should have towed
you should have towed
they should have towed	I should have been towing
you should have been towing
she should have been towing
we should have been towing
you should have been towing
they should have been towing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not tow
you should not tow
she should not tow
we should not tow
you should not tow
they should not tow 	I should not be towing
you should not be towing
she should not be towing
we should not be towing
you should not be towing
they should not be towing	I should not have towed
you should not have towed
she should not have towed
we should not have towed
you should not have towed
they should not have towed	I should not have been towing
you should not have been towing
she should not have been towing
we should not have been towing
you should not have been towing
they should not have been towing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I tow?
should you tow?
should she tow?
should we tow?
should you tow?
should they tow? 	should I be towing?
should you be towing?
should she be towing?
should we be towing?
should you be towing?
should they be towing? 	should I have towed?
should you have towed?
should she have towed?
should we have towed?
should you have towed?
should they have towed? 	should I have been towing?
should you have been towing?
should she have been towing?
should we have been towing?
should you have been towing?
should they have been towing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not tow?
should you not tow?
should she not tow?
should we not tow?
should you not tow?
should they not tow? 	should I not be towing?
should you not be towing?
should she not be towing?
should we not be towing?
should you not be towing?
should they not be towing? 	should I not have towed?
should you not have towed?
should she not have towed?
should we not have towed?
should you not have towed?
should they not have towed? 	should I not have been towing?
should you not have been towing?
should she not have been towing?
should we not have been towing?
should you not have been towing?
should they not have been towing?