could gutturalise
Verbe régulier : gutturalise - gutturalised- gutturalised

Affirmation 	
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I could gutturalise
you could gutturalise
he could gutturalise
we could gutturalise
you could gutturalise
they could gutturalise 	I could be gutturalising
you could be gutturalising
he could be gutturalising
we could be gutturalising
you could be gutturalising
they could be gutturalising	I could have gutturalised
you could have gutturalised
he could have gutturalised
we could have gutturalised
you could have gutturalised
they could have gutturalised	I could have been gutturalising
you could have been gutturalising
he could have been gutturalising
we could have been gutturalising
you could have been gutturalising
they could have been gutturalising	

Négation 	
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I couldn't gutturalise
you couldn't gutturalise
he couldn't gutturalise
we couldn't gutturalise
you couldn't gutturalise
they couldn't gutturalise 	I couldn't be gutturalising
you couldn't be gutturalising
he couldn't be gutturalising
we couldn't be gutturalising
you couldn't be gutturalising
they couldn't be gutturalising	I couldn't have gutturalised
you couldn't have gutturalised
he couldn't have gutturalised
we couldn't have gutturalised
you couldn't have gutturalised
they couldn't have gutturalised	I couldn't have been gutturalising
you couldn't have been gutturalising
he couldn't have been gutturalising
we couldn't have been gutturalising
you couldn't have been gutturalising
they couldn't have been gutturalising	

Forme interrogative 	
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could I gutturalise?
could you gutturalise?
could he gutturalise?
could we gutturalise?
could you gutturalise?
could they gutturalise? 	could I be gutturalising?
could you be gutturalising?
could he be gutturalising?
could we be gutturalising?
could you be gutturalising?
could they be gutturalising? 	could I have gutturalised?
could you have gutturalised?
could he have gutturalised?
could we have gutturalised?
could you have gutturalised?
could they have gutturalised? 	could I have been gutturalising?
could you have been gutturalising?
could he have been gutturalising?
could we have been gutturalising?
could you have been gutturalising?
could they have been gutturalising? 	

Forme interro-négative 	
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couldn't I gutturalise?
couldn't you gutturalise?
couldn't he gutturalise?
couldn't we gutturalise?
couldn't you gutturalise?
couldn't they gutturalise? 	couldn't I be gutturalising?
couldn't you be gutturalising?
couldn't he be gutturalising?
couldn't we be gutturalising?
couldn't you be gutturalising?
couldn't they be gutturalising? 	couldn't I have gutturalised?
couldn't you have gutturalised?
couldn't he have gutturalised?
couldn't we have gutturalised?
couldn't you have gutturalised?
couldn't they have gutturalised? 	couldn't I have been gutturalising?
couldn't you have been gutturalising?
couldn't he have been gutturalising?
couldn't we have been gutturalising?
couldn't you have been gutturalising?
couldn't they have been gutturalising?