| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] is to ensure that [art] | 48 |
|
| 2 | [noun sg] is ensure that the | 40 |
|
| 3 | [noun sg] is ensure that a | 7 |
|
| 4 | aim is ensure that [art] | 5 |
|
