expression, godan verb (-ru)
become able to; become possible
Expresses a change in ability or possibility; often follows a verb in the potential form or a noun phrase indicating what becomes possible.
練習すれば、水泳ができるようになる。
If you practice, you will become able to swim.
毎日練習して、日本語で会話ができるようになりたい。
I want to practice every day and become able to converse in Japanese.