| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [Wh det] [vb past] at | 10 |
|
| 2 | and [Wh det] [vb past] at | 9 |
|
| 3 | and [Wh det] [vb past] at | 9 |
|
| 4 | [conj] which [vb past] at | 7 |
|
| 5 | [conj] what [vb past] at | 5 |
|
