| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to ensure that [adj] [noun] | 160 |
|
| 2 | [v-ing] [verb] that [adj] [noun] | 69 |
|
| 3 | [v-ing] [to-vb] that [adj] [noun] | 49 |
|
| 4 | [v-ing] to ensure [conj] [adj] [noun] | 12 |
|
| 5 | [v-ing] ensure that [adj] [noun] | 12 |
|
