| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] be [to-vb] at | 11 |
|
| 2 | which [be] [to-vb] at | 7 |
|
| 3 | [Wh det] [was/were] [to-vb] at | 6 |
|
| 4 | [Wh det] was [to-vb] at | 5 |
|
| 5 | [Wh det] [is] [to-vb] at | 5 |
|
