could liase
Verbe régulier : liase - liased- liased

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could liase
you could liase
he could liase
we could liase
you could liase
they could liase 	I could be liasing
you could be liasing
he could be liasing
we could be liasing
you could be liasing
they could be liasing	I could have liased
you could have liased
he could have liased
we could have liased
you could have liased
they could have liased	I could have been liasing
you could have been liasing
he could have been liasing
we could have been liasing
you could have been liasing
they could have been liasing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't liase
you couldn't liase
he couldn't liase
we couldn't liase
you couldn't liase
they couldn't liase 	I couldn't be liasing
you couldn't be liasing
he couldn't be liasing
we couldn't be liasing
you couldn't be liasing
they couldn't be liasing	I couldn't have liased
you couldn't have liased
he couldn't have liased
we couldn't have liased
you couldn't have liased
they couldn't have liased	I couldn't have been liasing
you couldn't have been liasing
he couldn't have been liasing
we couldn't have been liasing
you couldn't have been liasing
they couldn't have been liasing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I liase?
could you liase?
could he liase?
could we liase?
could you liase?
could they liase? 	could I be liasing?
could you be liasing?
could he be liasing?
could we be liasing?
could you be liasing?
could they be liasing? 	could I have liased?
could you have liased?
could he have liased?
could we have liased?
could you have liased?
could they have liased? 	could I have been liasing?
could you have been liasing?
could he have been liasing?
could we have been liasing?
could you have been liasing?
could they have been liasing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I liase?
couldn't you liase?
couldn't he liase?
couldn't we liase?
couldn't you liase?
couldn't they liase? 	couldn't I be liasing?
couldn't you be liasing?
couldn't he be liasing?
couldn't we be liasing?
couldn't you be liasing?
couldn't they be liasing? 	couldn't I have liased?
couldn't you have liased?
couldn't he have liased?
couldn't we have liased?
couldn't you have liased?
couldn't they have liased? 	couldn't I have been liasing?
couldn't you have been liasing?
couldn't he have been liasing?
couldn't we have been liasing?
couldn't you have been liasing?
couldn't they have been liasing?