could outthunder
Verbe régulier : outthunder - outthundered- outthundered

Affirmation 	
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I could outthunder
you could outthunder
he could outthunder
we could outthunder
you could outthunder
they could outthunder 	I could be outthundering
you could be outthundering
he could be outthundering
we could be outthundering
you could be outthundering
they could be outthundering	I could have outthundered
you could have outthundered
he could have outthundered
we could have outthundered
you could have outthundered
they could have outthundered	I could have been outthundering
you could have been outthundering
he could have been outthundering
we could have been outthundering
you could have been outthundering
they could have been outthundering	

Négation 	
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I couldn't outthunder
you couldn't outthunder
he couldn't outthunder
we couldn't outthunder
you couldn't outthunder
they couldn't outthunder 	I couldn't be outthundering
you couldn't be outthundering
he couldn't be outthundering
we couldn't be outthundering
you couldn't be outthundering
they couldn't be outthundering	I couldn't have outthundered
you couldn't have outthundered
he couldn't have outthundered
we couldn't have outthundered
you couldn't have outthundered
they couldn't have outthundered	I couldn't have been outthundering
you couldn't have been outthundering
he couldn't have been outthundering
we couldn't have been outthundering
you couldn't have been outthundering
they couldn't have been outthundering	

Forme interrogative 	
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could I outthunder?
could you outthunder?
could he outthunder?
could we outthunder?
could you outthunder?
could they outthunder? 	could I be outthundering?
could you be outthundering?
could he be outthundering?
could we be outthundering?
could you be outthundering?
could they be outthundering? 	could I have outthundered?
could you have outthundered?
could he have outthundered?
could we have outthundered?
could you have outthundered?
could they have outthundered? 	could I have been outthundering?
could you have been outthundering?
could he have been outthundering?
could we have been outthundering?
could you have been outthundering?
could they have been outthundering? 	

Forme interro-négative 	
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couldn't I outthunder?
couldn't you outthunder?
couldn't he outthunder?
couldn't we outthunder?
couldn't you outthunder?
couldn't they outthunder? 	couldn't I be outthundering?
couldn't you be outthundering?
couldn't he be outthundering?
couldn't we be outthundering?
couldn't you be outthundering?
couldn't they be outthundering? 	couldn't I have outthundered?
couldn't you have outthundered?
couldn't he have outthundered?
couldn't we have outthundered?
couldn't you have outthundered?
couldn't they have outthundered? 	couldn't I have been outthundering?
couldn't you have been outthundering?
couldn't he have been outthundering?
couldn't we have been outthundering?
couldn't you have been outthundering?
couldn't they have been outthundering?