| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [conj] [art] [noun] is | 1489 |
|
| 2 | ensure [conj] [art] [noun] is | 285 |
|
| 3 | [adj] ensure [conj] [art] [noun] | 97 |
|
| 4 | [adj] ensure [conj] [noun] is | 9 |
|
