| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is [adj] to ensure that | 58 |
|
| 2 | it is [adj] ensure that | 57 |
|
| 3 | [pers pn] is [adj] ensure that | 57 |
|
| 4 | [pers pn] is important ensure that | 27 |
|
| 5 | [pers pn] is important ensure that | 27 |
|
| 6 | [pers pn] is necessary ensure that | 9 |
|
| 7 | [pers pn] is necessary ensure that | 9 |
|
| 8 | [pers pn] is essential ensure that | 8 |
|
| 9 | [pers pn] is essential ensure that | 8 |
|
