| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [adj] [noun] | 18439 |
|
| 2 | the [adj] national [noun] | 1807 |
|
| 3 | at the national [noun] | 430 |
|
| 4 | at the [adj] national | 51 |
|
| 5 | at [adj] national [noun] | 7 |
|
