4 Complete the sentences using the verbs in brackets in the past perfect simple or continuous. (work) in an international
1 When I started working here, it was the first time I
organisation.
2 Luckily, we
(already write) the report when the boss arrived.
3 I
(wait) for the school bus for 15 minutes when it finally turned up.
4 Sholpan decided to speak to her parents because she
(have) problems with her
classmates.
5 Azamat
(work) as a volunteer before, so he knew exactly what to do.
(try) to raise money for months when he finally found a sponsor.
6 My friend

1. When I started working here, it was the first time I had worked in an international organization.
Explanation: "had worked" is used in past perfect simple because it shows that the action of working in an international organization happened before the action of starting to work here.

2. Luckily, we had already written the report when the boss arrived.
Explanation: "had already written" is used in past perfect simple because it shows that the action of writing the report happened before the action of the boss arriving.

3. I had been waiting for the school bus for 15 minutes when it finally turned up.
Explanation: "had been waiting" is used in past perfect continuous because it shows the continued action of waiting for the school bus that happened before the bus finally turning up.

4. Sholpan decided to speak to her parents because she had been having problems with her classmates.
Explanation: "had been having" is used in past perfect continuous because it shows the continued action of having problems with her classmates that happened before she decided to speak to her parents.

5. Azamat had worked as a volunteer before, so he knew exactly what to do.
Explanation: "had worked" is used in past perfect simple because it shows that the action of working as a volunteer happened before the action of knowing exactly what to do.

6. My friend had been trying to raise money for months when he finally found a sponsor.
Explanation: "had been trying" is used in past perfect continuous because it shows the continued action of trying to raise money for months that happened before he finally found a sponsor.