could brevet
Verbe régulier : brevet - breveted- breveted

Affirmation 	
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I could brevet
you could brevet
she could brevet
we could brevet
you could brevet
they could brevet 	I could be breveting
you could be breveting
she could be breveting
we could be breveting
you could be breveting
they could be breveting	I could have breveted
you could have breveted
she could have breveted
we could have breveted
you could have breveted
they could have breveted	I could have been breveting
you could have been breveting
she could have been breveting
we could have been breveting
you could have been breveting
they could have been breveting	

Négation 	
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I couldn't brevet
you couldn't brevet
she couldn't brevet
we couldn't brevet
you couldn't brevet
they couldn't brevet 	I couldn't be breveting
you couldn't be breveting
she couldn't be breveting
we couldn't be breveting
you couldn't be breveting
they couldn't be breveting	I couldn't have breveted
you couldn't have breveted
she couldn't have breveted
we couldn't have breveted
you couldn't have breveted
they couldn't have breveted	I couldn't have been breveting
you couldn't have been breveting
she couldn't have been breveting
we couldn't have been breveting
you couldn't have been breveting
they couldn't have been breveting	

Forme interrogative 	
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could I brevet?
could you brevet?
could she brevet?
could we brevet?
could you brevet?
could they brevet? 	could I be breveting?
could you be breveting?
could she be breveting?
could we be breveting?
could you be breveting?
could they be breveting? 	could I have breveted?
could you have breveted?
could she have breveted?
could we have breveted?
could you have breveted?
could they have breveted? 	could I have been breveting?
could you have been breveting?
could she have been breveting?
could we have been breveting?
could you have been breveting?
could they have been breveting? 	

Forme interro-négative 	
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couldn't I brevet?
couldn't you brevet?
couldn't she brevet?
couldn't we brevet?
couldn't you brevet?
couldn't they brevet? 	couldn't I be breveting?
couldn't you be breveting?
couldn't she be breveting?
couldn't we be breveting?
couldn't you be breveting?
couldn't they be breveting? 	couldn't I have breveted?
couldn't you have breveted?
couldn't she have breveted?
couldn't we have breveted?
couldn't you have breveted?
couldn't they have breveted? 	couldn't I have been breveting?
couldn't you have been breveting?
couldn't she have been breveting?
couldn't we have been breveting?
couldn't you have been breveting?
couldn't they have been breveting?