Exercise 15. Rewrite the sentences using a perfect participle clause.

After she had read several books about Angkor Wat, she decided to visit the site.

→ _________________________________________________________________________.

Since the scientists had discovered a new endangered species, they included it in the conservation plan.

→ _________________________________________________________________________.

Because he had learned to cook and clean by himself, he adjusted quickly to independent living.

→ _________________________________________________________________________.

After they had developed the smart classroom system, they tested it in several schools.

→ _________________________________________________________________________.

Since the city had implemented green transportation, traffic congestion decreased.

→ _________________________________________________________________________.

After she had visited all the historical landmarks in Hue, she wrote a report on cultural heritage.

→ _________________________________________________________________________.

Because they had created an eco-friendly farming model, the villagers improved their crop yields.

→ _________________________________________________________________________.

After he had managed his own finances for a year, he felt confident living on his own.

→ _________________________________________________________________________.

Since the students had completed the online modules early, they participated in a virtual debate.

→ _________________________________________________________________________.

After the architects had been informed of the city's vision for smart buildings, they began drafting new designs.

→ _________________________________________________________________________.