How does the structure "No sooner... than" function with past perfect inversion?

📚 LÍNGUA INGLESA 🏷️ 2 Itens gramaticais relevantes para compreenso dos contedos semnticos

Pergunta

How does the structure "No sooner... than" function with past perfect inversion?

Resposta

Expresses immediate sequence.
Example: “No sooner **had the treaty been signed than** trade barriers were removed.”