can warn
Verbe régulier : warn - warned- warned
Traduction française : avertir - conseiller 

Affirmation 	
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I can warn
you can warn
she can warn
we can warn
you can warn
they can warn 	I can be warning
you can be warning
she can be warning
we can be warning
you can be warning
they can be warning	I can have warned
you can have warned
she can have warned
we can have warned
you can have warned
they can have warned	I can have been warning
you can have been warning
she can have been warning
we can have been warning
you can have been warning
they can have been warning	

Négation 	
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I can't warn
you can't warn
she can't warn
we can't warn
you can't warn
they can't warn 	I can't be warning
you can't be warning
she can't be warning
we can't be warning
you can't be warning
they can't be warning	I can't have warned
you can't have warned
she can't have warned
we can't have warned
you can't have warned
they can't have warned	I can't have been warning
you can't have been warning
she can't have been warning
we can't have been warning
you can't have been warning
they can't have been warning	

Forme interrogative 	
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can I warn?
can you warn?
can she warn?
can we warn?
can you warn?
can they warn? 	can I be warning?
can you be warning?
can she be warning?
can we be warning?
can you be warning?
can they be warning? 	can I have warned?
can you have warned?
can she have warned?
can we have warned?
can you have warned?
can they have warned? 	can I have been warning?
can you have been warning?
can she have been warning?
can we have been warning?
can you have been warning?
can they have been warning? 	

Forme interro-négative 	
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can't I warn?
can't you warn?
can't she warn?
can't we warn?
can't you warn?
can't they warn? 	can't I be warning?
can't you be warning?
can't she be warning?
can't we be warning?
can't you be warning?
can't they be warning? 	can't I have warned?
can't you have warned?
can't she have warned?
can't we have warned?
can't you have warned?
can't they have warned? 	can't I have been warning?
can't you have been warning?
can't she have been warning?
can't we have been warning?
can't you have been warning?
can't they have been warning?