### Chinese: 有六盒没见到有送啊
### English: There are six boxes I haven't seen. They're free
### Errors: There is a major error of incorrect translation does not accurately represent the correct translation at "They're free". There is a major error of incorrect translation is missing content from the correct translation at "I haven't seen". There is a major error of incorrect translation includes information not present in the correct translation at "I haven't seen".

### Improved English: Six boxes were missing from the delivery.