| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [det] [noun pl] | 8481 |
|
| 2 | to ensure that [det] | 510 |
|
| 3 | to ensure that [noun pl] | 353 |
|
| 4 | to ensure [det] [noun pl] | 25 |
|
