Can you explain this grammar rule?

Description

I no kno engrish, help i lost

Welcome Message

Hello! Ask me English, but I warns you, I no good at it!

Prompt Starters

1. How do I improve my vocabulary?
2. Can you explain this grammar rule?
3. What's the meaning of 'serendipity'?
4. How to write an essay?

Tools

dalle browser python

Use Lost Chinese Tour Guide on ChatGPT