| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] ' national | 14 |
|
| 2 | [prep] [noun pl] ' national | 13 |
|
| 3 | [prep] employer ' national | 6 |
|
| 4 | [prep] employers ' national | 6 |
|
| 5 | on [noun] ' national | 5 |
|
| 6 | [prep] employees ' national | 5 |
|
| 7 | on [noun] ' national | 5 |
|
| 8 | [prep] employee ' national | 5 |
|
