should plough
Verbo regular: plough - ploughed- ploughed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should plough
you should plough
he should plough
we should plough
you should plough
they should plough 	I should be ploughing
you should be ploughing
he should be ploughing
we should be ploughing
you should be ploughing
they should be ploughing	I should have ploughed
you should have ploughed
he should have ploughed
we should have ploughed
you should have ploughed
they should have ploughed	I should have been ploughing
you should have been ploughing
he should have been ploughing
we should have been ploughing
you should have been ploughing
they should have been ploughing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not plough
you should not plough
he should not plough
we should not plough
you should not plough
they should not plough 	I should not be ploughing
you should not be ploughing
he should not be ploughing
we should not be ploughing
you should not be ploughing
they should not be ploughing	I should not have ploughed
you should not have ploughed
he should not have ploughed
we should not have ploughed
you should not have ploughed
they should not have ploughed	I should not have been ploughing
you should not have been ploughing
he should not have been ploughing
we should not have been ploughing
you should not have been ploughing
they should not have been ploughing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I plough?
should you plough?
should he plough?
should we plough?
should you plough?
should they plough? 	should I be ploughing?
should you be ploughing?
should he be ploughing?
should we be ploughing?
should you be ploughing?
should they be ploughing? 	should I have ploughed?
should you have ploughed?
should he have ploughed?
should we have ploughed?
should you have ploughed?
should they have ploughed? 	should I have been ploughing?
should you have been ploughing?
should he have been ploughing?
should we have been ploughing?
should you have been ploughing?
should they have been ploughing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not plough?
should you not plough?
should he not plough?
should we not plough?
should you not plough?
should they not plough? 	should I not be ploughing?
should you not be ploughing?
should he not be ploughing?
should we not be ploughing?
should you not be ploughing?
should they not be ploughing? 	should I not have ploughed?
should you not have ploughed?
should he not have ploughed?
should we not have ploughed?
should you not have ploughed?
should they not have ploughed? 	should I not have been ploughing?
should you not have been ploughing?
should he not have been ploughing?
should we not have been ploughing?
should you not have been ploughing?
should they not have been ploughing?