| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [verb] at the | 44 |
|
| 2 | who [vb past] [vb pp] at [art] | 38 |
|
| 3 | who had [verb] at [art] | 35 |
|
| 4 | who [vb past] [v-ing] at [art] | 8 |
|
| 5 | who [vb past] [verb] at a | 5 |
|
