| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [det] [art] [noun] | 6252 |
|
| 2 | to ensure [conj] [art] [noun] | 1042 |
|
| 3 | to ensure [conj] [det] [noun] | 290 |
|
| 4 | to ensure [conj] [det] [art] | 28 |
|
