1 When Nick and Ivan played scrabble they argued all the time.
2 A: One day in summer while I was swimming I met a gigantic fish. B: You are joking!
3 Yesterday when we were playing Monopoly our father joined us and helped me.
4 A: Hello, Peter. Where are you going? B: Hello, Sasha, I am going fishing to the river. Yesterday
Ответ: played, argued, was swimming, met, are joking, were playing, joined, helped, are, going, am going