could save
Regular verb: save - saved- saved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could save
you could save
he could save
we could save
you could save
they could save 	I could be saving
you could be saving
he could be saving
we could be saving
you could be saving
they could be saving	I could have saved
you could have saved
he could have saved
we could have saved
you could have saved
they could have saved	I could have been saving
you could have been saving
he could have been saving
we could have been saving
you could have been saving
they could have been saving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't save
you couldn't save
he couldn't save
we couldn't save
you couldn't save
they couldn't save 	I couldn't be saving
you couldn't be saving
he couldn't be saving
we couldn't be saving
you couldn't be saving
they couldn't be saving	I couldn't have saved
you couldn't have saved
he couldn't have saved
we couldn't have saved
you couldn't have saved
they couldn't have saved	I couldn't have been saving
you couldn't have been saving
he couldn't have been saving
we couldn't have been saving
you couldn't have been saving
they couldn't have been saving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I save?
could you save?
could he save?
could we save?
could you save?
could they save? 	could I be saving?
could you be saving?
could he be saving?
could we be saving?
could you be saving?
could they be saving? 	could I have saved?
could you have saved?
could he have saved?
could we have saved?
could you have saved?
could they have saved? 	could I have been saving?
could you have been saving?
could he have been saving?
could we have been saving?
could you have been saving?
could they have been saving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I save?
couldn't you save?
couldn't he save?
couldn't we save?
couldn't you save?
couldn't they save? 	couldn't I be saving?
couldn't you be saving?
couldn't he be saving?
couldn't we be saving?
couldn't you be saving?
couldn't they be saving? 	couldn't I have saved?
couldn't you have saved?
couldn't he have saved?
couldn't we have saved?
couldn't you have saved?
couldn't they have saved? 	couldn't I have been saving?
couldn't you have been saving?
couldn't he have been saving?
couldn't we have been saving?
couldn't you have been saving?
couldn't they have been saving?