can burp
Regular verb: burp - burped- burped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can burp
you can burp
he can burp
we can burp
you can burp
they can burp 	I can be burping
you can be burping
he can be burping
we can be burping
you can be burping
they can be burping	I can have burped
you can have burped
he can have burped
we can have burped
you can have burped
they can have burped	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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot burp
you cannot burp
he cannot burp
we cannot burp
you cannot burp
they cannot burp 	I cannot be burping
you cannot be burping
he cannot be burping
we cannot be burping
you cannot be burping
they cannot be burping	I cannot have burped
you cannot have burped
he cannot have burped
we cannot have burped
you cannot have burped
they cannot have burped	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	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I burp?
can you burp?
can he burp?
can we burp?
can you burp?
can they burp? 	can I be burping?
can you be burping?
can he be burping?
can we be burping?
can you be burping?
can they be burping? 	can I have burped?
can you have burped?
can he have burped?
can we have burped?
can you have burped?
can they have burped? 	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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not burp?
can you not burp?
can he not burp?
can we not burp?
can you not burp?
can they not burp? 	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? 	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? 	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?