Used when the subject and object of the sentence are the SAME person/thing.
myself, yourself, himself, herself, itself, ourselves, yourselves, themselves
doesn't hurt himself
Did you hurt yourself?
Used for emphasis ("tự tay") or to mean "alone" ("by myself").
I cooked it myself • She lives by herself
didn't do it by himself
Did you do it by yourself?
| Example / Question | Positive / Short Answer | Negative / Short Answer |
|---|---|---|
| Reflexive: Subject = Object | He cut himself. | Not: He cut him. (him = someone else) |
| Alone: by + reflexive | I live by myself. | Means: I live alone |
| Rule | Base / Standard Form | Applied Form |
|---|---|---|
| Singular -self vs Plural -selves | Singular forms end in -self (myself, yourself, himself, herself, itself). Plural forms end in -selves (ourselves, yourselves, themselves). | yourself (1 person) vs yourselves (multiple people) |
Action turns back onto the subject.
Emphasize that the subject did it without help.
"By myself" means completely alone, without anyone else present.