Formal:
* 我喜欢 (wǒ xǐhuan) - This is the most common and versatile way to say "I like." It can be used in most situations.
Informal:
* 我爱 (wǒ ài) - This means "I love" but can be used informally to express "I like" as well, especially when talking about things you are passionate about.
* 我喜欢 (wǒ xǐhuan) + [object] + 很 (hěn) - This emphasizes the degree of liking. For example, "我喜欢吃苹果很 (wǒ xǐhuan chī píngguǒ hěn)" means "I like to eat apples very much."
Example sentences:
* 我喜欢吃中国菜 (wǒ xǐhuan chī zhōngguó cài) - I like to eat Chinese food.
* 我喜欢听音乐 (wǒ xǐhuan tīng yīnyuè) - I like to listen to music.
* 我爱旅行 (wǒ ài lǚxíng) - I love to travel.
Remember that the choice of phrase depends on the specific context and your relationship with the person you are speaking to.