neglect to (do something)
1. To leave some action or obligation undone or uncompleted. Tom, you neglected to fill in these sections in the application. Please don't neglect to cash that check today.
2. To omit to complete some expected or required duty. We were wondering why you neglected to inform the board of your decision. A: "Didn't she tell you she was leaving?" B: "No, she neglected to share that information with me."
neglect to do something
to fail to do something. I hope you do not neglect to lock the door. He neglected to water the plants.