| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb base] [adv] at | 36 |
|
| 2 | [Wh pn] [vb base] [adv] at | 20 |
|
| 3 | [Wh pn] [vb base] [adv prt] at | 12 |
|
| 4 | [Wh pn] do [adv] at | 5 |
|
