| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | director of [noun] service [prep] [noun] | 7 |
|
| 2 | director of [noun] service [prep] [noun prp] | 6 |
|
| 3 | director of [noun] service [prep] the | 5 |
|
| 4 | director of [noun] service [prep] [art] | 5 |
|
| 5 | director of [noun] service [prep] the | 5 |
|
| 6 | director of [noun] service [prep] [art] | 5 |
|
