有的 + Noun + Verb Phrase
有的 (yǒude) means "some" and is used to refer to certain members within a group. It often appears in parallel structures to contrast different subsets, as in "some people like X, some people like Y."
有的人喜欢喝茶,有的人喜欢喝咖啡。
yǒude rén xǐhuān hē chá, yǒude rén xǐhuān hē kāfēi.
Some people like drinking tea, and some like drinking coffee.
这些苹果有的大,有的小。
zhèxiē píngguǒ yǒude dà, yǒude xiǎo.
Some of these apples are big, and some are small.
有的同学已经毕业了,有的还在读书。
yǒude tóngxué yǐjīng bìyè le, yǒude hái zài dúshū.
Some classmates have already graduated, and some are still studying.