| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] that [adj] [noun pl] | 468 |
|
| 2 | to ensure that [adj] [noun pl] | 330 |
|
| 3 | [is] to ensure that [adj] | 38 |
|
| 4 | [is] to ensure that [noun pl] | 27 |
|
