| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] that [det] [noun pl] | 464 |
|
| 2 | be [verb] to ensure that [det] | 49 |
|
| 3 | be [verb] to ensure that [noun pl] | 48 |
|
| 4 | [verb] to ensure that [det] [noun pl] | 41 |
|
| 5 | be to ensure that [det] [noun pl] | 12 |
|
