I can burp you can burp he can burp we can burp you can burp they can burp
Forma com V-ing
I can be burping you can be burping he can be burping we can be burping you can be burping they can be burping
Perfeito
I can have burped you can have burped he can have burped we can have burped you can have burped they can have burped
Perfeito com V-ing
I can have been burping you can have been burping he can have been burping we can have been burping you can have been burping they can have been burping
Negação
Forma simple
I cannot burp you cannot burp he cannot burp we cannot burp you cannot burp they cannot burp
Forma com V-ing
I cannot be burping you cannot be burping he cannot be burping we cannot be burping you cannot be burping they cannot be burping
Perfeito
I cannot have burped you cannot have burped he cannot have burped we cannot have burped you cannot have burped they cannot have burped
Perfeito com V-ing
I cannot have been burping you cannot have been burping he cannot have been burping we cannot have been burping you cannot have been burping they cannot have been burping
Forma interrogativa
Forma simple
can I burp? can you burp? can he burp? can we burp? can you burp? can they burp?
Forma com V-ing
can I be burping? can you be burping? can he be burping? can we be burping? can you be burping? can they be burping?
Perfeito
can I have burped? can you have burped? can he have burped? can we have burped? can you have burped? can they have burped?
Perfeito com V-ing
can I have been burping? can you have been burping? can he have been burping? can we have been burping? can you have been burping? can they have been burping?
Forma interro-Negação
Forma simple
can I not burp? can you not burp? can he not burp? can we not burp? can you not burp? can they not burp?
Forma com V-ing
can I not be burping? can you not be burping? can he not be burping? can we not be burping? can you not be burping? can they not be burping?
Perfeito
can I not have burped? can you not have burped? can he not have burped? can we not have burped? can you not have burped? can they not have burped?
Perfeito com V-ing
can I not have been burping? can you not have been burping? can he not have been burping? can we not have been burping? can you not have been burping? can they not have been burping?