Past perfect and "before"
(請從靠中間部份讀起:"Here's another view on this from a book called _Grammar for English Language Teachers_,....)
這 一篇則是提到美式英文和英式英文的差異。
這 一篇則是進一步的更有深度的回答。
寫的人(J. K.)本身是ESL/EFL老師(教英文非母語的人)，他寫的東西和他的教學網站內容都相當不錯。
----------------------------
http://www.englishforums.com/English/ExpertsOnTenses/nmhgn/post.htm
http://www.englishforums.com/English/GrammarTensesExperts/nmhgx/post.htm
==================================================
Simple Past vs. Past Perfec
http://www.learnersdictionary.com/qa/the-use-of-the-past-perfect
The Use of the Past Perfect
Q:
[quote]
They left for Cambridge early and arrived at [=in] Cambridge before noon.
The above statement is from Merriam-Webster's Advanced learner's Dictionary.
[end quote]
(和前個是回答同一個問題:)
http://www.learnersdictionary.com/qa/simple-past-and-past-perfect
May 14, 2023
past perfect, GMAT, before, after
"Note: Occasionally, the GMAT won't use the past perfect for the earlier event. They'll use a word like before or after to make the sequence of events clear."
