| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [verb] the good | 190 |
|
| 2 | [prep] ensure the [adj] | 30 |
|
| 3 | [prep] ensure [art] good | 10 |
|
| 4 | [prep] ensure [art] good | 10 |
|
| 5 | [prep] ensure the good | 6 |
|
