| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [prep] | 9083 |
|
| 2 | [noun] [prep] control | 1951 |
|
| 3 | [prep] control [prep] | 1230 |
|
| 4 | [noun] control [prep] | 682 |
|
