| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] that [det] [noun pl] | 410 |
|
| 2 | [be] [vb pp] to ensure that [det] | 46 |
|
| 3 | [be] [vb pp] to ensure that [noun pl] | 46 |
|
| 4 | [vb pp] to ensure that [det] [noun pl] | 18 |
|
| 5 | [be] to ensure that [det] [noun pl] | 12 |
|
