昨晚你在家吗？

Were you at home last night?

Source: Tatoeba

Sentence Composition

1 昨晚 zuówǎn
  1. yesterday evening
  2. last night
=2 你 nǐ you (informal, as opposed to courteous 您 nín)
=2 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
3 在家 zàijiā
  1. to be at home
  2. (at a workplace) to be in (as opposed to being away on official business 出差 chūchāi)
  3. (Buddhism etc) to remain a layman (as opposed to becoming a monk or a nun 出家 chūjiā)
=4 吗 má (coll.) what?
=4 吗 mǎ used in 吗啡 mǎfēi
=4 吗 ma (question particle for "yes-no" questions)