| 类型 取向 | 情态化 | 意态化 | |
| 隐喻式 | 显性主观 | I think (in my opinion) Mary knows. | I want John to go. |
| 显性客观 | It isn’t likely Mary knows. | It’s expected that John goes. | |
| 非隐喻式 | 隐性主观 | Mary’ll know. | John should go. |
| 隐性客观 | Mary probably knows. | John’s supposed to go. | |