Exercise 5. Underline the predicates and write down the forms of the verbs used in the following sentences:
1 Its economy was based on agriculture.
2 Terracotta pots and models have survived.
3 Mohenjo-Daro was escavated in the 1920s.
4 The cities were abandoned about 1759 B.C.
5 The Aryans invaded India from 2000-1000 B.C., as many
experts claim.