| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ensure that [det] [adj] [noun] | 132 |
|
| 2 | [vb mod] ensure that [adj] [noun] | 127 |
|
| 3 | [vb mod] ensure that [det] [noun] | 71 |
|
| 4 | [vb mod] ensure that [det] [adj] | 18 |
|
