| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [modal v] be | 220 |
|
| 2 | of [modal v] be | 35 |
|
| 3 | of [modal v] [be] | 35 |
|
| 4 | of [modal v] [be] | 34 |
|
