Переделать в Complex 1) Borisov bought some books at the bookshop come minutes ago. I saw him 2) Say what you heard the engineer say about the prices of Brown and Co (the quality of the new equipment)

1). I saw Borisov (Past Simple) buying (Gerund, complex object) some books at the bookshop, where he had come (Past Perfect, subordinate adverbial modifier of place) minutes ago.

2). Say what was said (Past Passive) by the engineer, who you heard (Past Simple, subordinate complex object), about the prices of Brown and Co as well as about the quality of the new equipment (complex object).