| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [be] [prep] [noun] | 597 |
|
| 2 | could [be] [prep] [noun] | 325 |
|
| 3 | could [adv] [be] [prep] | 122 |
|
| 4 | could [adv] [be] [noun] | 105 |
|
| 5 | could [adv] [prep] [noun] | 8 |
|
