can tone
Regular verb: tone - toned- toned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can tone
you can tone
he can tone
we can tone
you can tone
they can tone 	I can be toning
you can be toning
he can be toning
we can be toning
you can be toning
they can be toning	I can have toned
you can have toned
he can have toned
we can have toned
you can have toned
they can have toned	I can have been toning
you can have been toning
he can have been toning
we can have been toning
you can have been toning
they can have been toning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't tone
you can't tone
he can't tone
we can't tone
you can't tone
they can't tone 	I can't be toning
you can't be toning
he can't be toning
we can't be toning
you can't be toning
they can't be toning	I can't have toned
you can't have toned
he can't have toned
we can't have toned
you can't have toned
they can't have toned	I can't have been toning
you can't have been toning
he can't have been toning
we can't have been toning
you can't have been toning
they can't have been toning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I tone?
can you tone?
can he tone?
can we tone?
can you tone?
can they tone? 	can I be toning?
can you be toning?
can he be toning?
can we be toning?
can you be toning?
can they be toning? 	can I have toned?
can you have toned?
can he have toned?
can we have toned?
can you have toned?
can they have toned? 	can I have been toning?
can you have been toning?
can he have been toning?
can we have been toning?
can you have been toning?
can they have been toning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I tone?
can't you tone?
can't he tone?
can't we tone?
can't you tone?
can't they tone? 	can't I be toning?
can't you be toning?
can't he be toning?
can't we be toning?
can't you be toning?
can't they be toning? 	can't I have toned?
can't you have toned?
can't he have toned?
can't we have toned?
can't you have toned?
can't they have toned? 	can't I have been toning?
can't you have been toning?
can't he have been toning?
can't we have been toning?
can't you have been toning?
can't they have been toning?