| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [verb] to ensure [conj] | 41 |
|
| 2 | [conj] try [verb] [conj] | 24 |
|
| 3 | [conj] try [to-vb] [conj] | 22 |
|
| 4 | [conj] [vb base] to ensure [conj] | 17 |
|
| 5 | [conj] try to ensure [conj] | 10 |
|
| 6 | [conj] try ensure [conj] | 5 |
|
