pronoun:reflexive form of they used when the subject and the object are the same
They blamed themselves for the mistake.
pronoun:used for emphasis to highlight the subject without changing the sentence’s meaning
The directors themselves announced the decision.
pronoun:used with 'by' to mean alone or without help
The kids built the treehouse by themselves.
pronoun:used with a singular antecedent as a gender-neutral alternative to himself or herself
Each student should ask themselves a tough question.
pronoun:used in expressions like 'not themselves' to mean not in their usual state
After the long flight, they weren’t themselves.
