| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was to ensure that [art] [noun] | 20 |
|
| 2 | was to ensure that [art] [noun] | 20 |
|
| 3 | was to ensure that the [noun] | 17 |
|
| 4 | was to ensure that the [noun] | 17 |
|
| 5 | was to ensure that [art] [noun sg] | 15 |
|
