forgotten to turn off the gas. in this case i can share my own experience as one day i forgot to lighten up the gas and kept the cooker on the burner and waited for 15 minutes to cook. when i can’t hear any whistle for long time i realize then that i forgot to turn the gas on.
left open your light: while going on a long tour, someday you must have forgotten to switch off the chandeliers, hanging lights which will make you worry all over the trip. or sometime after gardening when you on your garden lights but at night you may forget to turn off.
forget important information 