could pain
Verbe régulier : pain - pained- pained
Traduction française : peiner - faire souffrir 

Affirmation 	
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I could pain
you could pain
he could pain
we could pain
you could pain
they could pain 	I could be paining
you could be paining
he could be paining
we could be paining
you could be paining
they could be paining	I could have pained
you could have pained
he could have pained
we could have pained
you could have pained
they could have pained	I could have been paining
you could have been paining
he could have been paining
we could have been paining
you could have been paining
they could have been paining	

Négation 	
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I could not pain
you could not pain
he could not pain
we could not pain
you could not pain
they could not pain 	I could not be paining
you could not be paining
he could not be paining
we could not be paining
you could not be paining
they could not be paining	I could not have pained
you could not have pained
he could not have pained
we could not have pained
you could not have pained
they could not have pained	I could not have been paining
you could not have been paining
he could not have been paining
we could not have been paining
you could not have been paining
they could not have been paining	

Forme interrogative 	
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could I pain?
could you pain?
could he pain?
could we pain?
could you pain?
could they pain? 	could I be paining?
could you be paining?
could he be paining?
could we be paining?
could you be paining?
could they be paining? 	could I have pained?
could you have pained?
could he have pained?
could we have pained?
could you have pained?
could they have pained? 	could I have been paining?
could you have been paining?
could he have been paining?
could we have been paining?
could you have been paining?
could they have been paining? 	

Forme interro-négative 	
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could I not pain?
could you not pain?
could he not pain?
could we not pain?
could you not pain?
could they not pain? 	could I not be paining?
could you not be paining?
could he not be paining?
could we not be paining?
could you not be paining?
could they not be paining? 	could I not have pained?
could you not have pained?
could he not have pained?
could we not have pained?
could you not have pained?
could they not have pained? 	could I not have been paining?
could you not have been paining?
could he not have been paining?
could we not have been paining?
could you not have been paining?
could they not have been paining?