3. Open the brackets using the correct form of the verb: 1) Mary usually (to get up) at seven o'clock. 2) Peter usually (to take) five or six textbooks to school. 3) Peter not (to take) many textbooks to school. 4) We often (to walk) with my friends in the park. 5) Your brother often (to go) to the skating-rink? 6) They sometimes (to stay) at school after classes. 7) They often (to stay) at school after classes? 8) They (to stay) after classes tomorrow? 9) They (to stay) after classes tomorrow?

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