| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [prep] | 149076 |
|
| 2 | at [art] [noun] [prep] | 53527 |
|
| 3 | at [art] [noun] [prep] | 53527 |
|
| 4 | at a [noun] [prep] | 5607 |
|
| 5 | at a [noun] [prep] | 5162 |
|
