1. 簡單式- S + V(s/es) → 表示不變的事實、習慣或真理

    → 轉為被動式 S + Be-V(am/is/are) + V-pp

Ex: I make payment for my insurance premium every month. (主動)

   → Payment for my insurance is made by me every month. (被動)

2. 進行式- S + Be-V(am/is/are) + V-ing → 表示現在正在發生的動作

    → 轉為被動式 S + Be-V(am/is/are) + being + V-pp

Ex: The construction co. is knocking down an old building now. (主動)

   → An old building is being knocked down by the construction co. (被動)

3. 完成式- S + have/has + V-pp → 表示目前動作完與否和經驗多寡

    → 轉為被動式 S + have/has + been + V-pp

Ex: I have heard the same joke twice. (主動)

   → The same joke has been heard twice by me. (被動)

4. 完成進行式- S + have/has + been + V-ing → 表示動作至目前仍在進行

    → 無被動式

Ex: I have been working for five years.