| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [noun] in | 7747 |
|
| 2 | at a [noun] [noun] | 2612 |
|
| 3 | at [noun] [noun] in | 1720 |
|
| 4 | at a [noun] in | 1018 |
|
