could dogsled
Verbe régulier : dogsled - dogsleded- dogsleded

Affirmation 	
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I could dogsled
you could dogsled
she could dogsled
we could dogsled
you could dogsled
they could dogsled 	I could be dogsleding
you could be dogsleding
she could be dogsleding
we could be dogsleding
you could be dogsleding
they could be dogsleding	I could have dogsleded
you could have dogsleded
she could have dogsleded
we could have dogsleded
you could have dogsleded
they could have dogsleded	I could have been dogsleding
you could have been dogsleding
she could have been dogsleding
we could have been dogsleding
you could have been dogsleding
they could have been dogsleding	

Négation 	
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I couldn't dogsled
you couldn't dogsled
she couldn't dogsled
we couldn't dogsled
you couldn't dogsled
they couldn't dogsled 	I couldn't be dogsleding
you couldn't be dogsleding
she couldn't be dogsleding
we couldn't be dogsleding
you couldn't be dogsleding
they couldn't be dogsleding	I couldn't have dogsleded
you couldn't have dogsleded
she couldn't have dogsleded
we couldn't have dogsleded
you couldn't have dogsleded
they couldn't have dogsleded	I couldn't have been dogsleding
you couldn't have been dogsleding
she couldn't have been dogsleding
we couldn't have been dogsleding
you couldn't have been dogsleding
they couldn't have been dogsleding	

Forme interrogative 	
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could I dogsled?
could you dogsled?
could she dogsled?
could we dogsled?
could you dogsled?
could they dogsled? 	could I be dogsleding?
could you be dogsleding?
could she be dogsleding?
could we be dogsleding?
could you be dogsleding?
could they be dogsleding? 	could I have dogsleded?
could you have dogsleded?
could she have dogsleded?
could we have dogsleded?
could you have dogsleded?
could they have dogsleded? 	could I have been dogsleding?
could you have been dogsleding?
could she have been dogsleding?
could we have been dogsleding?
could you have been dogsleding?
could they have been dogsleding? 	

Forme interro-négative 	
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couldn't I dogsled?
couldn't you dogsled?
couldn't she dogsled?
couldn't we dogsled?
couldn't you dogsled?
couldn't they dogsled? 	couldn't I be dogsleding?
couldn't you be dogsleding?
couldn't she be dogsleding?
couldn't we be dogsleding?
couldn't you be dogsleding?
couldn't they be dogsleding? 	couldn't I have dogsleded?
couldn't you have dogsleded?
couldn't she have dogsleded?
couldn't we have dogsleded?
couldn't you have dogsleded?
couldn't they have dogsleded? 	couldn't I have been dogsleding?
couldn't you have been dogsleding?
couldn't she have been dogsleding?
couldn't we have been dogsleding?
couldn't you have been dogsleding?
couldn't they have been dogsleding?