can liquefy
Regular verb: liquefy - liquefied- liquefied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can liquefy
you can liquefy
he can liquefy
we can liquefy
you can liquefy
they can liquefy 	I can be liquefying
you can be liquefying
he can be liquefying
we can be liquefying
you can be liquefying
they can be liquefying	I can have liquefied
you can have liquefied
he can have liquefied
we can have liquefied
you can have liquefied
they can have liquefied	I can have been liquefying
you can have been liquefying
he can have been liquefying
we can have been liquefying
you can have been liquefying
they can have been liquefying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't liquefy
you can't liquefy
he can't liquefy
we can't liquefy
you can't liquefy
they can't liquefy 	I can't be liquefying
you can't be liquefying
he can't be liquefying
we can't be liquefying
you can't be liquefying
they can't be liquefying	I can't have liquefied
you can't have liquefied
he can't have liquefied
we can't have liquefied
you can't have liquefied
they can't have liquefied	I can't have been liquefying
you can't have been liquefying
he can't have been liquefying
we can't have been liquefying
you can't have been liquefying
they can't have been liquefying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I liquefy?
can you liquefy?
can he liquefy?
can we liquefy?
can you liquefy?
can they liquefy? 	can I be liquefying?
can you be liquefying?
can he be liquefying?
can we be liquefying?
can you be liquefying?
can they be liquefying? 	can I have liquefied?
can you have liquefied?
can he have liquefied?
can we have liquefied?
can you have liquefied?
can they have liquefied? 	can I have been liquefying?
can you have been liquefying?
can he have been liquefying?
can we have been liquefying?
can you have been liquefying?
can they have been liquefying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I liquefy?
can't you liquefy?
can't he liquefy?
can't we liquefy?
can't you liquefy?
can't they liquefy? 	can't I be liquefying?
can't you be liquefying?
can't he be liquefying?
can't we be liquefying?
can't you be liquefying?
can't they be liquefying? 	can't I have liquefied?
can't you have liquefied?
can't he have liquefied?
can't we have liquefied?
can't you have liquefied?
can't they have liquefied? 	can't I have been liquefying?
can't you have been liquefying?
can't he have been liquefying?
can't we have been liquefying?
can't you have been liquefying?
can't they have been liquefying?