can liase
Regular verb: liase - liased- liased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can liase
you can liase
he can liase
we can liase
you can liase
they can liase 	I can be liasing
you can be liasing
he can be liasing
we can be liasing
you can be liasing
they can be liasing	I can have liased
you can have liased
he can have liased
we can have liased
you can have liased
they can have liased	I can have been liasing
you can have been liasing
he can have been liasing
we can have been liasing
you can have been liasing
they can have been liasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't liase
you can't liase
he can't liase
we can't liase
you can't liase
they can't liase 	I can't be liasing
you can't be liasing
he can't be liasing
we can't be liasing
you can't be liasing
they can't be liasing	I can't have liased
you can't have liased
he can't have liased
we can't have liased
you can't have liased
they can't have liased	I can't have been liasing
you can't have been liasing
he can't have been liasing
we can't have been liasing
you can't have been liasing
they can't have been liasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I liase?
can you liase?
can he liase?
can we liase?
can you liase?
can they liase? 	can I be liasing?
can you be liasing?
can he be liasing?
can we be liasing?
can you be liasing?
can they be liasing? 	can I have liased?
can you have liased?
can he have liased?
can we have liased?
can you have liased?
can they have liased? 	can I have been liasing?
can you have been liasing?
can he have been liasing?
can we have been liasing?
can you have been liasing?
can they have been liasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I liase?
can't you liase?
can't he liase?
can't we liase?
can't you liase?
can't they liase? 	can't I be liasing?
can't you be liasing?
can't he be liasing?
can't we be liasing?
can't you be liasing?
can't they be liasing? 	can't I have liased?
can't you have liased?
can't he have liased?
can't we have liased?
can't you have liased?
can't they have liased? 	can't I have been liasing?
can't you have been liasing?
can't he have been liasing?
can't we have been liasing?
can't you have been liasing?
can't they have been liasing?