| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [noun] which | 1175 |
|
| 2 | at [art] [noun] [noun] which | 94 |
|
| 3 | at a [noun] [noun] [pron] | 64 |
|
| 4 | at a [noun] [noun] [Wh det] | 32 |
|
| 5 | at a [noun] [noun] which | 30 |
|
