Question

Which sentence is written using past perfect tense?

The architect had built two skyscrapers before he built the museum.


The architect will build two skyscrapers before he builds the museum.


The architect built two skyscrapers before he built the museum.


The architect will have built two skyscrapers before he builds the museum.

Answer 1

The architect had built two skyscrapers before he built the museum.

Past perfect tense always has the word "had" before the actual past tense word. If the answer was just built than you would be looking for just past tense and not perfect past tense.