Cover of the textbook Cutting Edge Upper-Intermediate - Student's Book

Exercise Grammar 2 — Cutting Edge Upper-Intermediate - Student's Book

11 - Language focus 2 — Cutting Edge Upper-Intermediate - Student's Book by Sarah Cunningham, Peter Moor and Jonathan Bygrave from Pearson Education

Question

  1. Which sentences in exercise 3a refer to the past only?
  2. Which refer to the past and the present?
  3. Which verb forms are used in each case?