| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] is that [art] | 3166 |
|
| 2 | [noun sg] to ensure that [art] | 339 |
|
| 3 | [noun sg] is to ensure that | 140 |
|
| 4 | is to ensure that [art] | 83 |
|
| 5 | [noun sg] is to ensure [art] | 19 |
|
