remarks on "je ne pas de sour": there is no verb in that sentence, and sour is not a French word. I gather that you mean "je n'ai pas de sous" which means familiarly "I have no money"
I only have sisters, but no brothers.
I don't have my swimsuit.
At school I have been taught: "Je nai pas de animal" is how to say "I don't have a pet" in French!
"Je suis sous" in French translates to "I am under" in English, typically referring to being under the influence of something, such as alcohol or drugs. It can also mean being physically under something, like a table or a blanket.
it means i don't..
"Je ne comprends pas" means "I do not understand" in English.
non je ne sais pas = no, I don't know
(je) n'ai means (I) do not have in French.
Literally it means 'not I'.
I do not have
"je n'ai pas d'animal" means "I have no pet / no animal" in French.
"Non, je ne suis pas," means "No, I am not." in English.