Usage Examples Present Continuous vs. Present Perfect Continuous

• My student has not been writing an article for a week. -
• I have not been dancing for half a year. -
• My mum has been cooking all afternoon. -
• My mum is not working at the moment. -
• What book are you reading now? -
• My wife is working on her new project at the moment. -
• What happened? Why are you crying? -
• Are you leaving? It's only nine pm. -
• I have not been crying for an hour. -
• I can't talk now, I am studying. -
• How long have you been learning Chinese? -
• My brother is not sleeping, he is playing now. -
• How long has John been playing chess? -
• I have been driving for six hours without stopping. -
• You are sweaty! Have you been exercising? -
• We are painting the walls in the bedroom now. -
• I am reading now. -
• I have been working here for five years. -
• Who is calling you? It is late. -
• How long has your brother been living in London? -