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

Affirmation 	
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I could pain
you could pain
she could pain
we could pain
you could pain
they could pain 	I could be paining
you could be paining
she could be paining
we could be paining
you could be paining
they could be paining	I could have pained
you could have pained
she 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
she 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 couldn't pain
you couldn't pain
she couldn't pain
we couldn't pain
you couldn't pain
they couldn't pain 	I couldn't be paining
you couldn't be paining
she couldn't be paining
we couldn't be paining
you couldn't be paining
they couldn't be paining	I couldn't have pained
you couldn't have pained
she couldn't have pained
we couldn't have pained
you couldn't have pained
they couldn't have pained	I couldn't have been paining
you couldn't have been paining
she couldn't have been paining
we couldn't have been paining
you couldn't have been paining
they couldn't have been paining	

Forme interrogative 	
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could I pain?
could you pain?
could she pain?
could we pain?
could you pain?
could they pain? 	could I be paining?
could you be paining?
could she be paining?
could we be paining?
could you be paining?
could they be paining? 	could I have pained?
could you have pained?
could she 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 she 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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couldn't I pain?
couldn't you pain?
couldn't she pain?
couldn't we pain?
couldn't you pain?
couldn't they pain? 	couldn't I be paining?
couldn't you be paining?
couldn't she be paining?
couldn't we be paining?
couldn't you be paining?
couldn't they be paining? 	couldn't I have pained?
couldn't you have pained?
couldn't she have pained?
couldn't we have pained?
couldn't you have pained?
couldn't they have pained? 	couldn't I have been paining?
couldn't you have been paining?
couldn't she have been paining?
couldn't we have been paining?
couldn't you have been paining?
couldn't they have been paining?