英语短文改错my friend Tom was very fat,but things got sobad recent

My friend Tom is very fat,but things got so
bad recently that he decided to go on a diet.He began his
diet a week ago.First of all,he wrote out a long list of all
the food that should not be eaten.The list included most of the
things Tom loved.Yesterday,I paid him a visit.I rang
the bell and was surprised to see that he was still as fat as ever.

我用手机的，不知你是哪行哪句，哈哈。