1. He hasn't been learning Italian for three years. He's been learning it for four years.
2. He hasn't been playing football for four years. He's been playing it for two years.
3. He hasn't been playing electric guitar since he was 13. He's been playing it since he was 15.
4. He hasn't been driving since March. He's been driving since last October.
5. He hasn't been working at Tony's Pizza Place since September. He's been working there since July.
