* Comparative: "The weather today is better than yesterday."
* Superlative: "This is the best pizza I've ever had."
* Verb: "I need to better my time on this race."
* Adverb: "He sings better than he plays guitar."
* Informal: "I feel better now, thanks."
You can also use "better" in idioms and expressions:
* For the better: "The company is changing for the better."
* Get better: "I hope you get better soon."
* Do better: "You can always do better next time."
Ultimately, the best way to use "better" in a sentence depends on the specific context and what you want to communicate.