can travail
Verbe régulier : travail - travailed- travailed

Affirmation 	
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I can travail
you can travail
she can travail
we can travail
you can travail
they can travail 	I can be travailing
you can be travailing
she can be travailing
we can be travailing
you can be travailing
they can be travailing	I can have travailed
you can have travailed
she can have travailed
we can have travailed
you can have travailed
they can have travailed	I can have been travailing
you can have been travailing
she can have been travailing
we can have been travailing
you can have been travailing
they can have been travailing	

Négation 	
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I can't travail
you can't travail
she can't travail
we can't travail
you can't travail
they can't travail 	I can't be travailing
you can't be travailing
she can't be travailing
we can't be travailing
you can't be travailing
they can't be travailing	I can't have travailed
you can't have travailed
she can't have travailed
we can't have travailed
you can't have travailed
they can't have travailed	I can't have been travailing
you can't have been travailing
she can't have been travailing
we can't have been travailing
you can't have been travailing
they can't have been travailing	

Forme interrogative 	
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can I travail?
can you travail?
can she travail?
can we travail?
can you travail?
can they travail? 	can I be travailing?
can you be travailing?
can she be travailing?
can we be travailing?
can you be travailing?
can they be travailing? 	can I have travailed?
can you have travailed?
can she have travailed?
can we have travailed?
can you have travailed?
can they have travailed? 	can I have been travailing?
can you have been travailing?
can she have been travailing?
can we have been travailing?
can you have been travailing?
can they have been travailing? 	

Forme interro-négative 	
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can't I travail?
can't you travail?
can't she travail?
can't we travail?
can't you travail?
can't they travail? 	can't I be travailing?
can't you be travailing?
can't she be travailing?
can't we be travailing?
can't you be travailing?
can't they be travailing? 	can't I have travailed?
can't you have travailed?
can't she have travailed?
can't we have travailed?
can't you have travailed?
can't they have travailed? 	can't I have been travailing?
can't you have been travailing?
can't she have been travailing?
can't we have been travailing?
can't you have been travailing?
can't they have been travailing?