помгите из текста найти приложения во временах

present simple - не мог найти.

past simple - But it was the Romans who developed the first public toilets and enormous public baths.

present perfect - Infection and disease haven't been eliminated entirely in our hospitals yet.

future - Furthermore, medical organisations will be challenged in the future by new infections and diseases.

present continuous - Although hygiene in developing countries is being improved all the time.