"Do you speak Japanese? (formal)" in Japanese

Summary

The Japanese translation for “Do you speak Japanese? (formal)” is 日本語を話しますか?. The Japanese, 日本語を話しますか?, can be broken down into 4 parts:"Japanese language" (日本語), "An accusative case particle: a grammatical marker following the direct object of a verb" (を), "to speak (formal verb)" (話します) and "final interrogative particle, similar to a question mark" (か).