| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [n mass] [Wh det] [modal v] be | 20 |
|
| 2 | of [Wh det] [modal v] be used | 11 |
|
| 3 | [n mass] [Wh det] [modal v] be used | 9 |
|
| 4 | of [n mass] [modal v] be used | 6 |
|
