Usage Examples Present Perfect Continuous

• How long have you been listening? -
• I haven't been swimming -
• What has she been saying to you? -
• What has she been doing to you? -
• I've been knocking. -
• I have been studying for three years. -
• I've been reading it. -
• You've been robbing me. -
• I've been trying to contact you. -
• You have been studying it for three years. -
• They've been waiting for you. -
• How long has he been playing? -
• I've been dating him. -
• Why haven't you been returning my calls? -
• They've been waiting. -
• I've been watching you for a while. -
• I have been protecting myself. -
• I've been having terrible nightmares. -
• I haven't been sleeping well since we came here. -
• You haven't been working. -