Do I have to use English grammar.Covered employee monthly, daily, and temporary staff, including staff training, which has a relationship with the company in the performance characteristics.
I have to use English grammar is covered employee, monthly, daily and temporary employees. Including staff training in relation to the performance characteristics of the company.
I have to use English grammar covers employees daily, monthly, and part-time staff. The trainee, which have a similar relationship performance with the company.