could tranquilise
Verbe régulier : tranquilise - tranquilised- tranquilised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could tranquilise
you could tranquilise
he could tranquilise
we could tranquilise
you could tranquilise
they could tranquilise 	I could be tranquilising
you could be tranquilising
he could be tranquilising
we could be tranquilising
you could be tranquilising
they could be tranquilising	I could have tranquilised
you could have tranquilised
he could have tranquilised
we could have tranquilised
you could have tranquilised
they could have tranquilised	I could have been tranquilising
you could have been tranquilising
he could have been tranquilising
we could have been tranquilising
you could have been tranquilising
they could have been tranquilising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't tranquilise
you couldn't tranquilise
he couldn't tranquilise
we couldn't tranquilise
you couldn't tranquilise
they couldn't tranquilise 	I couldn't be tranquilising
you couldn't be tranquilising
he couldn't be tranquilising
we couldn't be tranquilising
you couldn't be tranquilising
they couldn't be tranquilising	I couldn't have tranquilised
you couldn't have tranquilised
he couldn't have tranquilised
we couldn't have tranquilised
you couldn't have tranquilised
they couldn't have tranquilised	I couldn't have been tranquilising
you couldn't have been tranquilising
he couldn't have been tranquilising
we couldn't have been tranquilising
you couldn't have been tranquilising
they couldn't have been tranquilising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I tranquilise?
could you tranquilise?
could he tranquilise?
could we tranquilise?
could you tranquilise?
could they tranquilise? 	could I be tranquilising?
could you be tranquilising?
could he be tranquilising?
could we be tranquilising?
could you be tranquilising?
could they be tranquilising? 	could I have tranquilised?
could you have tranquilised?
could he have tranquilised?
could we have tranquilised?
could you have tranquilised?
could they have tranquilised? 	could I have been tranquilising?
could you have been tranquilising?
could he have been tranquilising?
could we have been tranquilising?
could you have been tranquilising?
could they have been tranquilising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I tranquilise?
couldn't you tranquilise?
couldn't he tranquilise?
couldn't we tranquilise?
couldn't you tranquilise?
couldn't they tranquilise? 	couldn't I be tranquilising?
couldn't you be tranquilising?
couldn't he be tranquilising?
couldn't we be tranquilising?
couldn't you be tranquilising?
couldn't they be tranquilising? 	couldn't I have tranquilised?
couldn't you have tranquilised?
couldn't he have tranquilised?
couldn't we have tranquilised?
couldn't you have tranquilised?
couldn't they have tranquilised? 	couldn't I have been tranquilising?
couldn't you have been tranquilising?
couldn't he have been tranquilising?
couldn't we have been tranquilising?
couldn't you have been tranquilising?
couldn't they have been tranquilising?