在英国的时候，我经常看参考书。

While in England I often consulted the guidebook.

Source: Tatoeba

Sentence Composition

1 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)
2 英国 Yīngguó United Kingdom (UK); Britain
=3 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 跑堂儿的 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
=3 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=3 的 dí really and truly
=3 的 dì (bound form) bull's-eye; target
4 时候 shíhou
  1. time
  2. length of time
  3. moment
  4. period
5 我 wǒ
  1. I
  2. me
  3. my
6 经常 jīngcháng
  1. frequently; constantly; regularly; often
  2. day-to-day; everyday; daily
=7 看 kān
  1. to look after
  2. to take care of
  3. to watch
  4. to guard
=7 看 kàn
  1. to see; to look at
  2. to read
  3. to watch
  4. to visit; to call on
  5. to consider; to regard as
  6. to look after
  7. to treat (a patient or illness)
  8. to depend on
  9. to feel (that)
  10. (after a verb) to give it a try
  11. to watch out for
8 参考书 cānkǎoshū reference book