| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [verb] [prep] the | 1632 |
|
| 2 | [modal v] [be] [verb] at the | 1156 |
|
| 3 | could [be] [verb] at [art] | 85 |
|
| 4 | could [be] [verb] at [art] | 85 |
|
| 5 | could [be] [verb] at the | 48 |
|
