| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [Wh det] [pers pn] be [verb] at | 10 |
|
| 2 | [to-vb] [Wh det] [pron] be [verb] at | 10 |
|
| 3 | [to-vb] [Wh det] be [verb] [adv] at | 5 |
|
| 4 | [to-vb] [Wh det] be [verb] [adv prt] at | 5 |
|
