| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] could [be] [verb] [prep] [art] | 1565 |
|
| 2 | [noun] [modal v] [be] [v-ing] [prep] [art] | 477 |
|
| 3 | [noun] could [be] [v-ing] [prep] [art] | 13 |
|
| 4 | [noun] could [be] [v-ing] [prep] [art] | 13 |
|
