Sentence examples for needed to do from inspiring English sources

"needed to do" is a correct and usable phrase in written English
It is typically used to express the necessity or requirement for someone to take a certain action. Example: 1) "John needed to do his homework before he could go out with his friends." (expressing a requirement) 2) "She needed to do some research before presenting her argument." (expressing a necessity) 3) "I needed to do some cleaning before hosting the party." (expressing a task that was necessary to complete)