Formal:
* 会说 (huì shuō) - This is the most common and versatile way to say "can speak" in a formal setting. It literally means "to be able to speak."
* 能够说 (nénggòu shuō) - This is a slightly more formal way to say "can speak" and emphasizes the ability to do something.
Informal:
* 会 (huì) - This is a shortened version of "会说" and is often used in casual conversations. It means "can" or "know how to."
* 能 (néng) - This is a shorter version of "能够说" and also means "can." It's often used in informal settings or when referring to something you're able to do.
Examples:
* 我会说中文。 (Wǒ huì shuō zhōngwén.) - I can speak Chinese.
* 她能够说英语和法语。 (Tā nénggòu shuō yīngyǔ hé fǎyǔ.) - She can speak English and French.
* 你会说日语吗? (Nǐ huì shuō rìyǔ ma?) - Can you speak Japanese?
The best way to say "can speak" in Chinese depends on the specific context and the level of formality you want to achieve.