| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] [verb] [art] | 13067 |
|
| 2 | [adv] [verb] [to-vb] [art] | 9721 |
|
| 3 | [adv] [verb] to ensure [art] | 20 |
|
| 4 | [adv] [verb] ensure [art] | 20 |
|
| 5 | [adv] [verb] to ensure [art] | 19 |
|
