====== Answer Key: Past Perfect Simple Exercises ======

===== Exercise 1: Complete the sentences using Past Perfect Simple =====

  - By the time we arrived at the cinema, the movie **had started** (start).
  - She was sad because she **had lost** (lose) her favorite book.
  - When I got to the bus stop, the bus **had already left** (leave) already.
  - They **had not finished** (not finish) their homework before the teacher checked it.
  - **Had** you **visited** (visit) London before you moved there?

===== Exercise 2: Match the two parts of the sentences =====
  - The children were dirty because **b. they had played in the mud.**
  - I couldn't find my keys because **c. I had left them at school.**
  - The garden looked beautiful because **e. my mom had planted new flowers.**
  - He was tired because **d. he had worked all night.**
  - She knew the answer because **a. she had studied for the test.**

===== Exercise 3: True or False? =====
  - She had went to the park before dinner. **False** (Correct form: She had gone to the park before dinner.)
  - We had eaten lunch before we went swimming. **True**
  - Had they seen the movie before? **True**
  - The dog had not catched the ball. **False** (Correct form: The dog had not caught the ball.)
  - My friend had already visited Paris. **True**

===== Exercise 4: Answer these questions =====
  - Had you done your homework before watching TV? (Yes) –    **Yes, I had done my homework before watching TV.**
  - Had they arrived at the party before you? (No) –    **No, they had not arrived at the party before me.**
  - Had the teacher explained the lesson before the test? (Yes) –    **Yes, the teacher had explained the lesson before the test.**
  - Had you visited a zoo before last year? (Write your true answer) –    **Example answer: Yes, I had visited a zoo before last year.** OR **No, I had not visited a zoo before last year.**
  - Had it stopped raining before you went outside? (No) –    **No, it had not stopped raining before I went outside.**

===== Exercise 5: Put the events in the correct order =====
  - **2** I ate breakfast. **1** I woke up.
  - **2** The movie started. **1** We bought tickets.
  - **2** She called her friend. **1** She finished her homework.
  - **2** The teacher arrived. **1** The students sat down.
  - **2** The sun came out. **1** It stopped raining.