can sun
Verbo regular: sun - sunned- sunned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can sun
you can sun
he can sun
we can sun
you can sun
they can sun 	I can be sunning
you can be sunning
he can be sunning
we can be sunning
you can be sunning
they can be sunning	I can have sunned
you can have sunned
he can have sunned
we can have sunned
you can have sunned
they can have sunned	I can have been sunning
you can have been sunning
he can have been sunning
we can have been sunning
you can have been sunning
they can have been sunning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot sun
you cannot sun
he cannot sun
we cannot sun
you cannot sun
they cannot sun 	I cannot be sunning
you cannot be sunning
he cannot be sunning
we cannot be sunning
you cannot be sunning
they cannot be sunning	I cannot have sunned
you cannot have sunned
he cannot have sunned
we cannot have sunned
you cannot have sunned
they cannot have sunned	I cannot have been sunning
you cannot have been sunning
he cannot have been sunning
we cannot have been sunning
you cannot have been sunning
they cannot have been sunning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I sun?
can you sun?
can he sun?
can we sun?
can you sun?
can they sun? 	can I be sunning?
can you be sunning?
can he be sunning?
can we be sunning?
can you be sunning?
can they be sunning? 	can I have sunned?
can you have sunned?
can he have sunned?
can we have sunned?
can you have sunned?
can they have sunned? 	can I have been sunning?
can you have been sunning?
can he have been sunning?
can we have been sunning?
can you have been sunning?
can they have been sunning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not sun?
can you not sun?
can he not sun?
can we not sun?
can you not sun?
can they not sun? 	can I not be sunning?
can you not be sunning?
can he not be sunning?
can we not be sunning?
can you not be sunning?
can they not be sunning? 	can I not have sunned?
can you not have sunned?
can he not have sunned?
can we not have sunned?
can you not have sunned?
can they not have sunned? 	can I not have been sunning?
can you not have been sunning?
can he not have been sunning?
can we not have been sunning?
can you not have been sunning?
can they not have been sunning?