Help me..! please I'm learning English...and I need the uses of somewhere, somebody, something, sometimes, please...!!

My notebook I am learning English language, because to know two languages help a lot of in the future, in the professinal life specially. In addition, I can meet a lot of people, because I'd like to travel to another part on the world and the English is the principal language and know it is too important. My native languge is Spanish, and I grew up in Ecuador. I enjoy linstening music, dancing, swimming, singing, talking. I love doing this things.