| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [noun] could be | 536 |
|
| 2 | of [n mass] [modal v] be | 212 |
|
| 3 | [prep] [n mass] could be | 25 |
|
| 4 | of [n mass] could be | 12 |
|
| 5 | of [n mass] could [be] | 12 |
|
| 6 | of [n mass] could [be] | 12 |
|
