| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] [adj] [noun] | 21223 |
|
| 2 | could [be] [adj] [noun] | 435 |
|
| 3 | could [be] [prep] [noun] | 325 |
|
| 4 | could [be] [prep] [adj] | 174 |
|
| 5 | could [prep] [adj] [noun] | 87 |
|
