by yourself
/baɪ jɔːˈself/
Meaning
This phrase means alone, without anyone else's help or company. In academic contexts, it refers to working independently on assignments, exams, or research projects rather than in a group.
Examples
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You need to complete this exam by yourself without checking your notes.
You need to complete this exam by yourself without checking your notes.
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Did you write this entire research paper by yourself?
Did you write this entire research paper by yourself?
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Sometimes it is easier to study by yourself in the library where it is quiet.
Sometimes it is easier to study by yourself in the library where it is quiet.
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If you study by yourself, you might find it easier to concentrate.
If you study by yourself, you might find it easier to concentrate.
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You cannot complete this group project by yourself; you must collaborate.
You cannot complete this group project by yourself; you must collaborate.
Common Mistakes
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✗ You must do this homework by your own.
✓ You must do this homework by yourself.
Combine 'by' with reflexive pronouns ('by yourself') or 'on' with possessive determiners + own ('on your own'). Do not mix them.
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✗ Did you do this work with yourself?
✓ Did you do this work by yourself?
We use the preposition 'by' to mean 'alone/without help', not 'with'.
Related Expressions
Practice
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You must write this essay ___ because it is not a group assignment.
💡 Alone, without help.
Show answer
by yourself
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Do you prefer to study with a group or ___?
💡 On your own.
Show answer
by yourself