some people starting learning english这句话对不对？

这是一个短语，而不是句子，意思是“开始学英语的一些人”，some people是中心词，starting to learn English是现在分词作定语。句子应该是Some people are starting to learn English.或Some people are starting learning English.

some people are starting to learn English.

some people start learning english

some people have started to learn English