should undermine
Verbo regular: undermine - undermined- undermined

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should undermine
you should undermine
he should undermine
we should undermine
you should undermine
they should undermine 	I should be undermining
you should be undermining
he should be undermining
we should be undermining
you should be undermining
they should be undermining	I should have undermined
you should have undermined
he should have undermined
we should have undermined
you should have undermined
they should have undermined	I should have been undermining
you should have been undermining
he should have been undermining
we should have been undermining
you should have been undermining
they should have been undermining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not undermine
you should not undermine
he should not undermine
we should not undermine
you should not undermine
they should not undermine 	I should not be undermining
you should not be undermining
he should not be undermining
we should not be undermining
you should not be undermining
they should not be undermining	I should not have undermined
you should not have undermined
he should not have undermined
we should not have undermined
you should not have undermined
they should not have undermined	I should not have been undermining
you should not have been undermining
he should not have been undermining
we should not have been undermining
you should not have been undermining
they should not have been undermining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I undermine?
should you undermine?
should he undermine?
should we undermine?
should you undermine?
should they undermine? 	should I be undermining?
should you be undermining?
should he be undermining?
should we be undermining?
should you be undermining?
should they be undermining? 	should I have undermined?
should you have undermined?
should he have undermined?
should we have undermined?
should you have undermined?
should they have undermined? 	should I have been undermining?
should you have been undermining?
should he have been undermining?
should we have been undermining?
should you have been undermining?
should they have been undermining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not undermine?
should you not undermine?
should he not undermine?
should we not undermine?
should you not undermine?
should they not undermine? 	should I not be undermining?
should you not be undermining?
should he not be undermining?
should we not be undermining?
should you not be undermining?
should they not be undermining? 	should I not have undermined?
should you not have undermined?
should he not have undermined?
should we not have undermined?
should you not have undermined?
should they not have undermined? 	should I not have been undermining?
should you not have been undermining?
should he not have been undermining?
should we not have been undermining?
should you not have been undermining?
should they not have been undermining?