Cover of the textbook English Grammar in Use

The key answer of exercise 16.2

The key to exercise solutions in chapter Unit 16 - Past perfect continuous for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press


Read the situations and complete the sentences.


  1. We'd been playing; it started
  2. I'd been waiting; I realised (that) I was (in ...)
  3. went; had been working / had worked
  4. had been playing; started
  5. I'd been walking for about ten minutes when a car suddenly stopped just behind me.