Usage Examples Present Continuous vs. Present Perfect Continuous

• My sister is so tired, she has been studying all morning. -
• How long have you been learning Chinese? -
• My fiancee has not been talking to me for three days. -
• Call me later, I am riding my bike. -
• My mum has been cooking all afternoon. -
• My daughter has not been studying maths for a month. -
• I usually walk to work but today I am taking a bus. -
• My brother is not sleeping, he is playing now. -
• I have not been doing sports for two years. -
• You have been eating a lot recently. -
• I have not been dancing for half a year. -
• I have been working here for five years. -
• My dad has been reading this book for a month. -
• They have been travelling since September. -
• We have not been arguing for two weeks. -
• What are you doing tomorrow? -
• Who is calling you? It is late. -
• I have been driving for six hours without stopping. -
• Who is knocking on the door? I'll open. -
• Where are your parents going now? -