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

Exercise Grammar 1 — Cutting Edge Upper-Intermediate - Student's Book

06 - Language focus 1 — Cutting Edge Upper-Intermediate - Student's Book by Sarah Cunningham, Peter Moor and Jonathan Bygrave from Pearson Education

Question

Find an example in exercise 1b of the Past perfect, the Present perfect and the Future perfect. How is each tense formed?

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