| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] that it | 794 |
|
| 2 | [be] [verb] ensure that | 459 |
|
| 3 | [verb] ensure that it | 53 |
|
| 4 | [be] ensure that it | 8 |
|
| 5 | [be] [verb] ensure it | 5 |
|
