| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [conj] [noun] can | 899 |
|
| 2 | [to-vb] [conj] [noun] can | 121 |
|
| 3 | to ensure [conj] [noun] [modal v] | 51 |
|
| 4 | to ensure [conj] [noun] [vb mod] | 51 |
|
| 5 | ensure [conj] [noun] can | 41 |
|
| 6 | to ensure [conj] [noun] can | 24 |
|
