Missing or extra subject pronoun

One of 95 rules YabLab tracks in English writing.

A typical slip

My brother arrived late and was very tired.

My brother arrived late and he was very tired.

What YabLab does with this mistake

  1. Catches it right as you write — comments, email, docs.
  2. Explains the why in your language, not just the fix.
  3. Helps you practice it until it is gone for good.