could dun
Verbe régulier : dun - dunned- dunned
Traduction française : presser - harceler 

Affirmation 	
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I could dun
you could dun
he could dun
we could dun
you could dun
they could dun 	I could be dunning
you could be dunning
he could be dunning
we could be dunning
you could be dunning
they could be dunning	I could have dunned
you could have dunned
he could have dunned
we could have dunned
you could have dunned
they could have dunned	I could have been dunning
you could have been dunning
he could have been dunning
we could have been dunning
you could have been dunning
they could have been dunning	

Négation 	
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I couldn't dun
you couldn't dun
he couldn't dun
we couldn't dun
you couldn't dun
they couldn't dun 	I couldn't be dunning
you couldn't be dunning
he couldn't be dunning
we couldn't be dunning
you couldn't be dunning
they couldn't be dunning	I couldn't have dunned
you couldn't have dunned
he couldn't have dunned
we couldn't have dunned
you couldn't have dunned
they couldn't have dunned	I couldn't have been dunning
you couldn't have been dunning
he couldn't have been dunning
we couldn't have been dunning
you couldn't have been dunning
they couldn't have been dunning	

Forme interrogative 	
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could I dun?
could you dun?
could he dun?
could we dun?
could you dun?
could they dun? 	could I be dunning?
could you be dunning?
could he be dunning?
could we be dunning?
could you be dunning?
could they be dunning? 	could I have dunned?
could you have dunned?
could he have dunned?
could we have dunned?
could you have dunned?
could they have dunned? 	could I have been dunning?
could you have been dunning?
could he have been dunning?
could we have been dunning?
could you have been dunning?
could they have been dunning? 	

Forme interro-négative 	
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couldn't I dun?
couldn't you dun?
couldn't he dun?
couldn't we dun?
couldn't you dun?
couldn't they dun? 	couldn't I be dunning?
couldn't you be dunning?
couldn't he be dunning?
couldn't we be dunning?
couldn't you be dunning?
couldn't they be dunning? 	couldn't I have dunned?
couldn't you have dunned?
couldn't he have dunned?
couldn't we have dunned?
couldn't you have dunned?
couldn't they have dunned? 	couldn't I have been dunning?
couldn't you have been dunning?
couldn't he have been dunning?
couldn't we have been dunning?
couldn't you have been dunning?
couldn't they have been dunning?