| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] at [art] [noun] | 49 |
|
| 2 | could be [verb] at [art] [noun sg] | 46 |
|
| 3 | could be [vb pp] at [art] [noun] | 44 |
|
| 4 | could be [verb] at the [noun] | 34 |
|
| 5 | could be [verb] at a [noun] | 13 |
|
| 6 | could be [v-ing] at [art] [noun] | 5 |
|
| 7 | could be seen at [art] [noun] | 5 |
|
| 8 | could be see at [art] [noun] | 5 |
|
