Stage 1: SV / SVO

   Lesson 1 - Lesson10

Stage 2: SVC

   Lesson 11 - Lesson 20

Stage 3: SV / SVO / SVC

   Lesson 21 - Lesson 30

Stage 4: 分詞(Participles)

   Lesson 31 - Lesson 40

Stage 5: SVOO / SVOC

   Lesson 41 - Lesson 48