Usage Examples Present Continuous vs. Present Perfect Continuous

• Who is knocking on the door? I'll open. -
• My sister is so tired, she has been studying all morning. -
• I have not been doing sports for two years. -
• I can't talk now, I am studying. -
• What book are you reading now? -
• Mum is cooking, go and help her. -
• I have been working here for five years. -
• Is your cousin coming to the party? -
• Who is calling you? It is late. -
• How long have you been learning Chinese? -
• You are sweaty! Have you been exercising? -
• My son has been writing his essay for two hours. -
• Are you using my phone? Give it back to me! -
• I usually walk to work but today I am taking a bus. -
• It is raining, take an umbrella! -
• How long has your brother been living in London? -
• Be quiet, Alice is sleeping. -
• They have been travelling since September. -
• Are they moving at the moment? -
• My dad has been reading this book for a month. -