ذَهَبْتُ أَنَا وَخَالِدٌ
Translation: Khalid and I went.
ذَهَبْتُ: past verb with subject suffix.
أَنَا: emphatic detached pronoun.
وَ: conjunction.
خَالِدٌ: nominative noun coordinated with the subject.
A fresh application of the book’s pattern جِئْتُ أَنَا وَزَيْدٌ.