Verified answer

Відповідь:

1. found (second), HAD lost (first, потому что HAD lost)

2. HAD spoken (first), went (second)

3. had sold (first), bought (second)

4. showed us(second), had taken (first)

5. was(second), had gone (first)

6. had brushed (first), went(second)

Present perfect:

Had + 3 форма verb

Действия, произошедшие до другого действия в прошлом.