can tone
Verbo regular: tone - toned- toned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot tone
you cannot tone
he cannot tone
we cannot tone
you cannot tone
they cannot tone 	I cannot be toning
you cannot be toning
he cannot be toning
we cannot be toning
you cannot be toning
they cannot be toning	I cannot have toned
you cannot have toned
he cannot have toned
we cannot have toned
you cannot have toned
they cannot have toned	I cannot have been toning
you cannot have been toning
he cannot have been toning
we cannot have been toning
you cannot have been toning
they cannot have been toning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not tone?
can you not tone?
can he not tone?
can we not tone?
can you not tone?
can they not tone? 	can I not be toning?
can you not be toning?
can he not be toning?
can we not be toning?
can you not be toning?
can they not be toning? 	can I not have toned?
can you not have toned?
can he not have toned?
can we not have toned?
can you not have toned?
can they not have toned? 	can I not have been toning?
can you not have been toning?
can he not have been toning?
can we not have been toning?
can you not have been toning?
can they not have been toning?