過去 13 年，我都是公立學校的老師。

I've been a public school teacher for the past thirteen years.

Source: Tatoeba

Sentence Composition

=1 過去 guòqù
  1. (in the) past; former; previous
  2. to go over; to pass by
=1 過去 guòqu (verb suffix)
=2 年 Nián surname Nian
=2 年 nián year

classifier: 個
=2 年 nián
  1. grain
  2. harvest (old)
  3. variant of 年 nián
3 我 wǒ
  1. I
  2. me
  3. my
=4 都 Dū surname Du
=4 都 dōu
  1. all; both; entirely
  2. (used for emphasis) even
  3. already
  4. (not) at all
=4 都 dū
  1. capital city
  2. metropolis
=5 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=5 是 shì variant of 是 shì
6 公立學校 gōnglìxuéxiào public school
=7 的 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 pígéde "one made of leather" or 跑堂兒的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. dì or di in poetry and songs
=7 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=7 的 dí really and truly
=7 的 dì (bound form) bull's-eye; target
8 老師 lǎoshī teacher

classifiers: 個, 位