can untune
Regular verb: untune - untuned- untuned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can untune
you can untune
he can untune
we can untune
you can untune
they can untune 	I can be untuning
you can be untuning
he can be untuning
we can be untuning
you can be untuning
they can be untuning	I can have untuned
you can have untuned
he can have untuned
we can have untuned
you can have untuned
they can have untuned	I can have been untuning
you can have been untuning
he can have been untuning
we can have been untuning
you can have been untuning
they can have been untuning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't untune
you can't untune
he can't untune
we can't untune
you can't untune
they can't untune 	I can't be untuning
you can't be untuning
he can't be untuning
we can't be untuning
you can't be untuning
they can't be untuning	I can't have untuned
you can't have untuned
he can't have untuned
we can't have untuned
you can't have untuned
they can't have untuned	I can't have been untuning
you can't have been untuning
he can't have been untuning
we can't have been untuning
you can't have been untuning
they can't have been untuning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I untune?
can you untune?
can he untune?
can we untune?
can you untune?
can they untune? 	can I be untuning?
can you be untuning?
can he be untuning?
can we be untuning?
can you be untuning?
can they be untuning? 	can I have untuned?
can you have untuned?
can he have untuned?
can we have untuned?
can you have untuned?
can they have untuned? 	can I have been untuning?
can you have been untuning?
can he have been untuning?
can we have been untuning?
can you have been untuning?
can they have been untuning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I untune?
can't you untune?
can't he untune?
can't we untune?
can't you untune?
can't they untune? 	can't I be untuning?
can't you be untuning?
can't he be untuning?
can't we be untuning?
can't you be untuning?
can't they be untuning? 	can't I have untuned?
can't you have untuned?
can't he have untuned?
can't we have untuned?
can't you have untuned?
can't they have untuned? 	can't I have been untuning?
can't you have been untuning?
can't he have been untuning?
can't we have been untuning?
can't you have been untuning?
can't they have been untuning?