汤姆在游泳吗？

Is Tom swimming?

Source: Tatoeba

Sentence Composition

1 汤姆 Tāngmǔ Tom (name)
2 在 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
=3 游泳 yóuyǒng
  1. swimming
  2. to swim
=3 游泳 yóuyǒng misspelling of 游泳 (yóuyǒng)
=4 吗 má (coll.) what?
=4 吗 mǎ used in 嗎啡 mǎfēi
=4 吗 ma (question particle for "yes-no" questions)