802. Do; I do;
803. Do; I do;
804. Are; I am;
805. Are; they are;
806. Do; they do;
807. Is; he is;
808. Does; he does;
809. Is; she is;
810. Does; she does;
811. Do;
812. Do;
813. Are;
814. Are;
815. Do;
816. Are;
817. Do;
818. Do;
819. Are;
820. Are.
801. Are you using the computer? - Yes, I am.
802. Do you use the computer? - Yes, I do.
803. Do you do exercises? - Yes, I do.
804. Are you doing exercises? - Yes, I am.
805. Are the babies sleeping? - Yes, they are.
806. Do the babies sleep here? - Yes, they do.
807. Is he walking? - Yes, he is.
808. Does he walk? - Yes, he does.
809. Is she cleaning the rooms? - Yes, she is.
810. Does she clean the rooms? - Yes, she does.
811. Do you often meet him?
812. Do you usually help him?
813. Are you helping him?
814. Are you working with him?
815. Do you work with him?
816. Are you cleaning your room?
817. Do you clean your room?
818. Do you wash the cupboard?
819. Are you washing the cupboard?
820. Are you crying?
