| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [prep] a | 658 |
|
| 2 | who [vb past] [prep] a | 658 |
|
| 3 | [pron] [vb past] at a | 408 |
|
| 4 | who [vb past] at [art] | 226 |
|
| 5 | who [vb past] at [art] | 226 |
|
| 6 | who [verb] at a | 39 |
|
| 7 | who [vb past] at a | 27 |
|
| 8 | [Wh pn] [vb past] at a | 23 |
|
| 9 | who [vb past] at a | 23 |
|
| 10 | who [vb past] at a | 23 |
|
