could winterkill
Verbo regular: winterkill - winterkilled- winterkilled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could winterkill
you could winterkill
he could winterkill
we could winterkill
you could winterkill
they could winterkill 	I could be winterkilling
you could be winterkilling
he could be winterkilling
we could be winterkilling
you could be winterkilling
they could be winterkilling	I could have winterkilled
you could have winterkilled
he could have winterkilled
we could have winterkilled
you could have winterkilled
they could have winterkilled	I could have been winterkilling
you could have been winterkilling
he could have been winterkilling
we could have been winterkilling
you could have been winterkilling
they could have been winterkilling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not winterkill
you could not winterkill
he could not winterkill
we could not winterkill
you could not winterkill
they could not winterkill 	I could not be winterkilling
you could not be winterkilling
he could not be winterkilling
we could not be winterkilling
you could not be winterkilling
they could not be winterkilling	I could not have winterkilled
you could not have winterkilled
he could not have winterkilled
we could not have winterkilled
you could not have winterkilled
they could not have winterkilled	I could not have been winterkilling
you could not have been winterkilling
he could not have been winterkilling
we could not have been winterkilling
you could not have been winterkilling
they could not have been winterkilling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I winterkill?
could you winterkill?
could he winterkill?
could we winterkill?
could you winterkill?
could they winterkill? 	could I be winterkilling?
could you be winterkilling?
could he be winterkilling?
could we be winterkilling?
could you be winterkilling?
could they be winterkilling? 	could I have winterkilled?
could you have winterkilled?
could he have winterkilled?
could we have winterkilled?
could you have winterkilled?
could they have winterkilled? 	could I have been winterkilling?
could you have been winterkilling?
could he have been winterkilling?
could we have been winterkilling?
could you have been winterkilling?
could they have been winterkilling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not winterkill?
could you not winterkill?
could he not winterkill?
could we not winterkill?
could you not winterkill?
could they not winterkill? 	could I not be winterkilling?
could you not be winterkilling?
could he not be winterkilling?
could we not be winterkilling?
could you not be winterkilling?
could they not be winterkilling? 	could I not have winterkilled?
could you not have winterkilled?
could he not have winterkilled?
could we not have winterkilled?
could you not have winterkilled?
could they not have winterkilled? 	could I not have been winterkilling?
could you not have been winterkilling?
could he not have been winterkilling?
could we not have been winterkilling?
could you not have been winterkilling?
could they not have been winterkilling?