| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | control [prep] the content of | 6 |
|
| 2 | control [prep] the content [prep] | 6 |
|
| 3 | control [prep] the content of | 6 |
|
| 4 | control [prep] the content [prep] | 6 |
|
