. Make the sentences negative and interrogative. 1. In 15 minutes father will have been working in the garden for three hours. 2. Next year Jim will have been studying a foreign language for 5 years. 3. In a month they will have been traveling abroad for a year. 4. The workers will have been restoring the building for a year in autumn. 5. Next summer he’ll have been teaching for 10 years at that university. 6. The children will have been sleeping for 2 hours by the time the parents come home.

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