| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adj] [adv] to ensure that | 5 |
|
| 2 | [is] [adj] [adv] to ensure that | 5 |
|
| 3 | [is] [adv] [adj] to ensure that | 33 |
|
| 4 | [is] [adv] [adj] to ensure that | 32 |
|
| 5 | [is] [adv] important to ensure that | 13 |
|
| 6 | [is] [adv] important to ensure that | 13 |
|
| 7 | [is] [adv] [verb] to ensure that | 12 |
|
| 8 | [is] [adv] [vb pp] to ensure that | 10 |
|
