Dans chacune des phrases suivantes, remplacer for par since en conservant le même temps. She hasn't slept for 2 days. They haven't spoken to each other for years. We haven't met for years. I haven't eaten meat for 10 years. She hasn't spent time in London for 2 years. I haven't visited my grandparents for 2 months. I haven't been to a party for 3 weeks. He hasn't had a girlfriend for 1 year. He hasn't practised piano for 1 month. She hasn't been home for 2 months.