| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | from the national heritage | 15 |
|
| 2 | from the national curriculum | 13 |
|
| 3 | from the national health | 12 |
|
| 4 | from the national gallery | 11 |
|
| 5 | from the national trust | 10 |
|
| 6 | from the national association | 10 |
|
| 7 | from the national union | 7 |
|
| 8 | from the national front | 6 |
|
| 9 | from the national grid | 5 |
|
| 10 | from the national insurance | 5 |
|
