| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] who [modal v] be | 120 |
|
| 2 | [det] [pron] could be | 55 |
|
| 3 | [adj] who could be | 11 |
|
| 4 | [det] who could [be] | 9 |
|
