| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ensure that [adj] [noun pl] | 595 |
|
| 2 | [vb mod] ensure that [adj] | 175 |
|
| 3 | [vb mod] ensure that [noun pl] | 67 |
|
| 4 | [vb mod] ensure [adj] [noun pl] | 12 |
|
