USUALLY. We write. They play. I help. He sings. She reads.
NOW. We are writing. They are playing. I'm helping. He is singing. She is reading.
USUALLY. Do we write? Do they play? Do help? Does he sing? Does she read?
Now. Are we writing? Are they playing? Am I helping? Is he singing? Is she reading?
usually. We do not write. They do not play. I do not help. He does not sing. She does not read.
Now. We are not writing. They are not playing. I'm not helping. He is not singing. She is not reading.