I. COMMENCEMENT (vv. 1-3)
A. Author (v. 1a)
B. Address (v. 1b)
C. Greeting (vv. 2-3)
II. COMMENDATION (vv. 4-6)
A. Truth (v. 4)
B. Love (vv. 5-6).
III. CAUTION (vv. 7-11)
A. Stating the Danger (v. 7, 9)
1. Who They Are (v. 7a).
2. What They Teach (v. 7b).
3. How They Are Labeled (v. 7c).
4. Where They Have Gone Astray (v. 9).
B. Succumbing to the Danger (v. 8).
C. Stopping the Danger (vv. 10-11).
IV. CONCLUSION (vv. 12-13)
A. Genuine Fellowship (v. 12)
B. Genuine Friendship (v. 13)