0
It is when someone laughs hysterically
burst/ burst /burst.
Don't burst the balloon.
He burst the balloon yesterday.
He has burst the balloon already.
805.2 and 805.4
The past of burst is burst.
It goes unnoticed because the ice/frost is covering it up not exposing the accident, the ice will not melt until it is thawed out this is why burst pipes usually go unnoticed.
Did that help?