Por favor necesito ayuda 1Which sentence is the present continuous?

Por favor necesito ayuda 1 Which sentence is the present continuous? A. He is reading. B. He is reads c. He likes reading d. He was reading 2. Which sentence is the present continuous? A. He can´t riding on the horse. B. He does not riding. C. He is not riding on the horse. D. He not riding 3. In which sentence is the present continuous formed correctly? A. Jane and Frank am running after the dog. B. Jane and Frank are running after the dog. C. Jane and Frank is running after the dog. 4. Which question is the present continuous? A. Are you sending text messages? B. Is you sending text messages? C. Were you sending text messages?