| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] at [noun] | 769 |
|
| 2 | [Wh det] [is] [vb pp] at | 175 |
|
| 3 | [Wh det] [is] at [noun] | 126 |
|
| 4 | [Wh det] [is] [vb pp] [noun] | 77 |
|
