can ligature
Regular verb: ligature - ligatured- ligatured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can ligature
you can ligature
he can ligature
we can ligature
you can ligature
they can ligature 	I can be ligaturing
you can be ligaturing
he can be ligaturing
we can be ligaturing
you can be ligaturing
they can be ligaturing	I can have ligatured
you can have ligatured
he can have ligatured
we can have ligatured
you can have ligatured
they can have ligatured	I can have been ligaturing
you can have been ligaturing
he can have been ligaturing
we can have been ligaturing
you can have been ligaturing
they can have been ligaturing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't ligature
you can't ligature
he can't ligature
we can't ligature
you can't ligature
they can't ligature 	I can't be ligaturing
you can't be ligaturing
he can't be ligaturing
we can't be ligaturing
you can't be ligaturing
they can't be ligaturing	I can't have ligatured
you can't have ligatured
he can't have ligatured
we can't have ligatured
you can't have ligatured
they can't have ligatured	I can't have been ligaturing
you can't have been ligaturing
he can't have been ligaturing
we can't have been ligaturing
you can't have been ligaturing
they can't have been ligaturing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I ligature?
can you ligature?
can he ligature?
can we ligature?
can you ligature?
can they ligature? 	can I be ligaturing?
can you be ligaturing?
can he be ligaturing?
can we be ligaturing?
can you be ligaturing?
can they be ligaturing? 	can I have ligatured?
can you have ligatured?
can he have ligatured?
can we have ligatured?
can you have ligatured?
can they have ligatured? 	can I have been ligaturing?
can you have been ligaturing?
can he have been ligaturing?
can we have been ligaturing?
can you have been ligaturing?
can they have been ligaturing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I ligature?
can't you ligature?
can't he ligature?
can't we ligature?
can't you ligature?
can't they ligature? 	can't I be ligaturing?
can't you be ligaturing?
can't he be ligaturing?
can't we be ligaturing?
can't you be ligaturing?
can't they be ligaturing? 	can't I have ligatured?
can't you have ligatured?
can't he have ligatured?
can't we have ligatured?
can't you have ligatured?
can't they have ligatured? 	can't I have been ligaturing?
can't you have been ligaturing?
can't he have been ligaturing?
can't we have been ligaturing?
can't you have been ligaturing?
can't they have been ligaturing?