Sentence examples for to do better from inspiring English sources

"to do better" is a correct and usable part of a sentence in written English.
It can be used in various situations, such as giving advice, expressing an intention or aspiration, or acknowledging a mistake or failure. Example 1 (advice): "You need to do better in your studies if you want to improve your grades." Example 2 (intention/aspiration): "I promise to do better next time and make sure I meet the deadline." Example 3 (acknowledging mistake/failure): "I know I could have done better in the presentation, but I will learn from my mistakes and do better next time."