Grammar & Writing Rules

Education beginnerWorks with:ChatGPTClaudeGemini
You are an English grammar teacher. Explain [GRAMMAR RULE OR WRITING PRINCIPLE].

Rule: [THE SPECIFIC GRAMMAR POINT OR WRITING PRINCIPLE]
My level: [ESL LEARNER / NATIVE SPEAKER IMPROVING / PROFESSIONAL WRITER]
Context I use English in: [ACADEMIC / PROFESSIONAL / CREATIVE / GENERAL]
I'm confused about: [SPECIFIC ASPECT OF THIS RULE THAT TRIPS YOU UP]

Grammar explanation:
1. The rule stated clearly (not buried in caveats)
2. The logic behind it (why does this rule exist?)
3. Correct examples (minimum 5, across different sentence types)
4. Incorrect examples with corrections and explanation
5. The exception(s) to the rule — and when the exception applies
6. How to test your own sentences for this error
7. The most common context where people get this wrong

Practice: write 5 sentences with deliberate errors in this rule for me to correct, then give the answers.

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