could vitalise
Verbe régulier : vitalise - vitalised- vitalised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could vitalise
you could vitalise
he could vitalise
we could vitalise
you could vitalise
they could vitalise 	I could be vitalising
you could be vitalising
he could be vitalising
we could be vitalising
you could be vitalising
they could be vitalising	I could have vitalised
you could have vitalised
he could have vitalised
we could have vitalised
you could have vitalised
they could have vitalised	I could have been vitalising
you could have been vitalising
he could have been vitalising
we could have been vitalising
you could have been vitalising
they could have been vitalising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't vitalise
you couldn't vitalise
he couldn't vitalise
we couldn't vitalise
you couldn't vitalise
they couldn't vitalise 	I couldn't be vitalising
you couldn't be vitalising
he couldn't be vitalising
we couldn't be vitalising
you couldn't be vitalising
they couldn't be vitalising	I couldn't have vitalised
you couldn't have vitalised
he couldn't have vitalised
we couldn't have vitalised
you couldn't have vitalised
they couldn't have vitalised	I couldn't have been vitalising
you couldn't have been vitalising
he couldn't have been vitalising
we couldn't have been vitalising
you couldn't have been vitalising
they couldn't have been vitalising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I vitalise?
could you vitalise?
could he vitalise?
could we vitalise?
could you vitalise?
could they vitalise? 	could I be vitalising?
could you be vitalising?
could he be vitalising?
could we be vitalising?
could you be vitalising?
could they be vitalising? 	could I have vitalised?
could you have vitalised?
could he have vitalised?
could we have vitalised?
could you have vitalised?
could they have vitalised? 	could I have been vitalising?
could you have been vitalising?
could he have been vitalising?
could we have been vitalising?
could you have been vitalising?
could they have been vitalising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I vitalise?
couldn't you vitalise?
couldn't he vitalise?
couldn't we vitalise?
couldn't you vitalise?
couldn't they vitalise? 	couldn't I be vitalising?
couldn't you be vitalising?
couldn't he be vitalising?
couldn't we be vitalising?
couldn't you be vitalising?
couldn't they be vitalising? 	couldn't I have vitalised?
couldn't you have vitalised?
couldn't he have vitalised?
couldn't we have vitalised?
couldn't you have vitalised?
couldn't they have vitalised? 	couldn't I have been vitalising?
couldn't you have been vitalising?
couldn't he have been vitalising?
couldn't we have been vitalising?
couldn't you have been vitalising?
couldn't they have been vitalising?