| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [noun] could be | 897 |
|
| 2 | [noun] could be [prep] | 389 |
|
| 3 | [conj] could be [prep] | 36 |
|
| 4 | [conj] [noun] could [prep] | 13 |
|
| 5 | [conj] [noun] be [prep] | 11 |
|
