Complete the exercise with the correct forms of the given verbs.

Here is the completed exercise based on the provided image: 1. Larry **was playing** computer games while his brother **was chatting** with a friend yesterday evening. 2. Bob **began** to be interested in programming when he **was** 9. 3. Our grandparents **were not** as familiar with technology in their childhood as we are now. 4. A: Why **didn't you come** to the party last Saturday? Explanation: The provided answers use the appropriate forms of the verbs to match the context and tenses (Past Simple and Past Continuous) given in the exercise.