| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] important [conj] [art] | 556 |
|
| 2 | [adv] to ensure [conj] [art] | 65 |
|
| 3 | important to ensure [conj] [art] | 29 |
|
| 4 | [adv] important to ensure [conj] | 21 |
|
