I can burp you can burp she can burp we can burp you can burp they can burp
Forme en V-ing
I can be burping you can be burping she can be burping we can be burping you can be burping they can be burping
Perfect
I can have burped you can have burped she can have burped we can have burped you can have burped they can have burped
Perfect en V-ing
I can have been burping you can have been burping she can have been burping we can have been burping you can have been burping they can have been burping
Négation
Forme simple
I cannot burp you cannot burp she cannot burp we cannot burp you cannot burp they cannot burp
Forme en V-ing
I cannot be burping you cannot be burping she cannot be burping we cannot be burping you cannot be burping they cannot be burping
Perfect
I cannot have burped you cannot have burped she cannot have burped we cannot have burped you cannot have burped they cannot have burped
Perfect en V-ing
I cannot have been burping you cannot have been burping she cannot have been burping we cannot have been burping you cannot have been burping they cannot have been burping
Forme interrogative
Forme simple
can I burp? can you burp? can she burp? can we burp? can you burp? can they burp?
Forme en V-ing
can I be burping? can you be burping? can she be burping? can we be burping? can you be burping? can they be burping?
Perfect
can I have burped? can you have burped? can she have burped? can we have burped? can you have burped? can they have burped?
Perfect en V-ing
can I have been burping? can you have been burping? can she have been burping? can we have been burping? can you have been burping? can they have been burping?
Forme interro-négative
Forme simple
can I not burp? can you not burp? can she not burp? can we not burp? can you not burp? can they not burp?
Forme en V-ing
can I not be burping? can you not be burping? can she not be burping? can we not be burping? can you not be burping? can they not be burping?
Perfect
can I not have burped? can you not have burped? can she not have burped? can we not have burped? can you not have burped? can they not have burped?
Perfect en V-ing
can I not have been burping? can you not have been burping? can she not have been burping? can we not have been burping? can you not have been burping? can they not have been burping?