----- Nội dung ảnh ----- ``` 6 You couldn't / shouldn't talk to people like that! 7 Alan should write / have written two essays in the exam yesterday, not one! 8 No, you may / should not go out tonight. You know you're grounded! 9 Diana should have waited / been waiting for me at the corner. I wonder where she went. 10 What were you doing in the park? You ought to have done / been doing your homework then! 11 Yes, of course you can / are able to open the window if you're too hot! ```
