| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] at the [noun] | 213 |
|
| 2 | [prep] [det] [prep] the level | 14 |
|
| 3 | [prep] [adj] at the level | 5 |
|
| 4 | [prep] [det] at [art] level | 5 |
|
| 5 | [prep] [det] at [art] level | 5 |
|
| 6 | [prep] [det] at the level | 5 |
|
| 7 | [prep] [det] at the level | 5 |
|
