| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] that [adj] | 3783 |
|
| 2 | be [verb] to ensure that | 457 |
|
| 3 | [verb] to ensure that [adj] | 226 |
|
| 4 | be [verb] to ensure [adj] | 68 |
|
| 5 | be to ensure that [adj] | 53 |
|
