Do you speak Japanese?
Nihongo ga hanasemasu ka.
Japanese (language); Japanese as a second language
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
to be able to speak; to be able to talk; to be understanding; to be sensible
indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way