| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] can we ensure | 8 |
|
| 2 | how can we ensure | 7 |
|
| 3 | [Wh adv] can we ensure | 7 |
|
| 4 | how can we ensure | 7 |
|
| 5 | can we ensure that | 8 |
|
| 6 | can we ensure [that] | 8 |
|
| 7 | can we ensure [conj] | 8 |
|
| 8 | can we ensure that | 8 |
|
