| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] at [art] | 85 |
|
| 2 | could [be] [verb] at [art] | 85 |
|
| 3 | could [be] [vb pp] at [art] | 76 |
|
| 4 | could [be] [verb] at the | 48 |
|
| 5 | could [be] [verb] at a | 30 |
|
| 6 | could [be] [v-ing] at [art] | 9 |
|
| 7 | could [be] looking at [art] | 8 |
|
| 8 | could [be] look at [art] | 8 |
|
| 9 | could [be] see at [art] | 6 |
|
| 10 | could [be] seen at [art] | 6 |
|
