2.1 To examine one thing thoroughly and then start the other Focus: The aspects examined in the two things should be identical and in the same order Pattern: Al. A2. A3: B1 B2. B3. (Allabout Pattern) Example: Contrast I My hometown is quite different from what it used to be Subtopic: 2 Just a little more that ten years ago my hometown was a small quiet place A(1 3]The houses were small and mean e. A(2) 3 The streets were for the most part narrow and winding A (3) 3] There were few people in the streets and shops2.1 To examine one thing thoroughly and then start the other. • Focus: The aspects examined in the two things should be identical and in the same order. • Pattern: A1, A2, A3; B1, B2, B3. （Allabout Pattern） • Example: Contrast • 1]My hometown is quite different from what it used to be. • Subtopic: 2]Just a little more that ten years ago my hometown was a small quiet place. • A（1） 3]The houses were small and mean. • A（2） 3]The streets were for the most part narrow and winding. • A（3） 3]There were few people in the streets and shops