| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] try [conj] | 307 |
|
| 2 | [conj] to ensure [conj] | 220 |
|
| 3 | try to ensure [conj] | 105 |
|
| 4 | [conj] try to ensure | 12 |
|
