| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] [noun] | 54730 |
|
| 2 | could [be] [prep] | 912 |
|
| 3 | could [be] [noun] | 542 |
|
| 4 | could [prep] [noun] | 268 |
|
