| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [noun] [prep] | 504247 |
|
| 2 | [noun sg] [noun] [prep] | 359008 |
|
| 3 | operating [noun] [prep] | 485 |
|
| 4 | operating [noun] [prep] | 485 |
|
