Experts,
Please check the following letter for any errors of grammar, spelling and sentence formation and please tell me where i can improve.... ASAP

Dear student,

Corrections are as follows:

- exted an invitation to the students
- sincerely hoped
- add details such as 'refreshments will be provided' , number of team members to eb sent from that school, details of particpants per competition
- RSVP details

Regards