| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [prep] [be] | 5048 |
|
| 2 | who [modal v] [be] | 2465 |
|
| 3 | who [modal v] [prep] | 160 |
|
| 4 | who [prep] [be] | 7 |
|
