The viewing tower. 4 Grammar Put the verbs in bold in the past simple, the past perfect or the past perfect continuous 1 A: (you/see) any turtles while you were in Greece? B: No. The nesting season (finish) by the time we arrived. 2 A: Why (he/be) out of breath? B: Because he (run) to catch the bus. 3 A (Tom/go) to the wildlife centre with you? B: No, he (already/arrange) to go to the Natural History Museum. 4 A: What (happen)? B: 1 (work) on the computer all evening when suddenly it (crash)! 5 A: (you/realise) that the spider was poisonous before you (trap) it? B: No, ! (have) no ideal .