| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] have [vb pp] [adv prt] at | 12 |
|
| 2 | who [verb] [vb pp] [adv prt] at | 12 |
|
| 3 | [Wh pn] had [vb pp] [adv prt] at | 11 |
|
| 4 | [Wh pn] [vb past] [vb pp] [adv prt] at | 11 |
|
