| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at national [noun sg] | 34 |
|
| 2 | [verb] at national level | 24 |
|
| 3 | [vb pp] at national [noun sg] | 20 |
|
| 4 | [to-vb] at national [noun sg] | 5 |
|
