| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [adv] [conj] | 13172 |
|
| 2 | [vb pp] ensure [conj] | 528 |
|
| 3 | [adv] ensure [conj] | 525 |
|
| 4 | [vb pp] [adv] ensure | 36 |
|
