從我開始學法文，已經過去三年了。

It's been three years since I began studying French.

It's been three years since I started to study French.

It's been three years since I started studying French.

Source: Tatoeba

Sentence Composition

=1 從 Cóng surname Cong
=1 從 cóng
  1. from; through; via
  2. (bound form) to follow
  3. (bound form) to obey
  4. (bound form) to engage in (an activity)
  5. (used before a negative) ever
  6. (bound form) (Taiwan pr. zòng) retainer; attendant
  7. (bound form) (Taiwan pr. zòng) assistant; auxiliary; subordinate
  8. (bound form) (Taiwan pr. zòng) related by common paternal grandfather or earlier ancestor
2 我 wǒ
  1. I
  2. me
  3. my
3 開始 kāishǐ
  1. to begin
  2. beginning
  3. to start
  4. initial

classifier: 個
4 學 xué
  1. to learn
  2. to study
  3. to imitate
  4. science
  5. -ology
=5 法文 Fǎwén French language
=5 法文 fǎwén
  1. French language
  2. clause (of law)
6 已經 yǐjīng already
=7 過去 guòqù
  1. (in the) past; former; previous
  2. to go over; to pass by
=7 過去 guòqu (verb suffix)
=8 三 Sān surname San
=8 三 sān
  1. three
  2. 3
=9 年 Nián surname Nian
=9 年 nián year

classifier: 個
=9 年 nián
  1. grain
  2. harvest (old)
  3. variant of 年 nián
=10 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=10 了 liǎo
  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 无 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 了 liǎo)
=10 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=10 了 liào unofficial variant of 瞭 liào