| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] that [noun pl] | 313 |
|
| 2 | [verb] ensure that [noun pl] | 96 |
|
| 3 | is [verb] ensure that | 82 |
|
| 4 | is ensure that [noun pl] | 27 |
|
