| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [pron] could [be] | 139 |
|
| 2 | of [Wh pn] [vb mod] [be] | 83 |
|
| 3 | of [Wh pn] [modal v] [be] | 83 |
|
| 4 | [prep] [Wh pn] could [be] | 11 |
|
| 5 | of [Wh pn] could [be] | 10 |
|
