| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [subord] [verb] [art] | 2762 |
|
| 2 | [adv] [subord] [to-vb] [art] | 827 |
|
| 3 | [adv] [subord] ensure [art] | 12 |
|
| 4 | [adv] [subord] to ensure [art] | 9 |
|
| 5 | [adv] [conj] to ensure [art] | 9 |
|
| 6 | [adv] [subord] to ensure [art] | 9 |
|
