| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | control [prep] [art] [noun prp] | 145 |
|
| 2 | for control [prep] [art] | 65 |
|
| 3 | for [prep] [art] [noun prp] | 42 |
|
| 4 | for control [prep] [noun prp] | 15 |
|
