Find and correct seven more mistakes in the email.

Here are the corrected mistakes in the email:

1. Original: he has hurt his back. Corrected: he hurt his back. (Incorrect use of 'has')
2. Original: injured his foot. Corrected: injured his foot. (Correct)
3. Original: she thinks she broken her arm. Corrected: she thinks she has broken her arm. (Missing auxiliary verb 'has')
4. Original: my dog eaten something bad. Corrected: my dog ate something bad. (Incorrect verb form)
5. Original: As for Martin, I not heard from him. Corrected: As for Martin, I have not heard from him. (Missing auxiliary verb 'have')
6. Original: You have seen him this week? Corrected: Have you seen him this week? (Incorrect word order for a question)
7. Original: I hope he not had an accident too! Corrected: I hope he has not had an accident too! (Missing auxiliary verb 'has')