What is the past perfect tense to stop?

What did the Romans do while the iberian peninsula was part of their empire? What were the effects of trans Atlantic slave trade on West and Central Africa? Where does hadrians wall start and end? Early Greek civilization were peace-loving and used the sea in many aspects of their culture? What is the story behind the word jerk? What are people from the western US called? Viking raids eventually ceased because of several factors including the fact that? How did roman slaves address their masters? What is post cold war Europe? What do historians define the term modern era? What social and political forces prevented both the Holy Roman Emperors and the French kings from uniting the lands they ruled? What European country collapsed in the early 1990's and then many new democracies sprang up? When did the ninetheenth century start? Name two Roman historians and example how they differed? Which city of the Persian Empire appears to be farthest west.? The respect given Henry Purcell by his fellow Englishmen is evidenced by his burial in? What century is 1634? What came first the crusades or the renaissance? What were the similarities and differences between Japanese and European feudalism? Why was there westward expansion in America?

What is the past perfect tense to stop?