| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be in [noun] for [noun] | 15 |
|
| 2 | could be in [noun] [prep] [noun] | 11 |
|
| 3 | could be [prep] [noun] for [noun] | 6 |
|
| 4 | could [be] in [noun] for [noun] | 5 |
|
