| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ensure that [art] [noun] | 2006 |
|
| 2 | that [art] new [noun] | 1113 |
|
| 3 | ensure that [art] new | 17 |
|
| 4 | ensure that new [noun] | 14 |
|
| 5 | ensure [art] new [noun] | 5 |
|
