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