| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun] [prep] [prep] | 1452 |
|
| 2 | [noun] [prep] control [prep] | 646 |
|
| 3 | the [noun] [prep] control | 498 |
|
| 4 | the [noun] control [prep] | 52 |
|
