Multiple choice

Directions: Mark the most suitable option to fill in the blank to make a logical sentence.

By the time I reached the station, the train _____________ (leave) the platform.

  1. will leaving

  2. had left

  3. left

  4. has left

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

 Whenever two events in the past take place in a sequence, we use 'had + third form of the verb' for the former one and the second form of the verb for the latter one.