他们不是公司员工吗？

Are they not company employees?

Source: Tatoeba

Sentence Composition

1 他们 tāmen they; them
=2 不是 bùshì
  1. no
  2. is not
  3. not
=2 不是 bùshi fault; blame
3 公司 gōngsī company; firm; corporation

classifier: 家
4 员工 yuángōng staff; personnel; employee
=5 吗 má (coll.) what?
=5 吗 mǎ used in 吗啡 mǎfēi
=5 吗 ma (question particle for "yes-no" questions)