| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] to ensure that | 188 |
|
| 2 | be [adj] ensure that | 187 |
|
| 3 | is [adj] ensure that | 87 |
|
| 4 | be [adj] ensure that | 47 |
|
| 5 | be necessary ensure that | 34 |
|
| 6 | be necessary ensure that | 34 |
|
| 7 | be important ensure that | 33 |
|
| 8 | be important ensure that | 33 |
|
| 9 | are [adj] ensure that | 20 |
|
| 10 | was [adj] ensure that | 19 |
|
| 11 | be essential ensure that | 12 |
|
| 12 | be essential ensure that | 12 |
|
| 13 | be able ensure that | 11 |
|
| 14 | be able ensure that | 11 |
|
| 15 | be concerned ensure that | 10 |
|
| 16 | be concerned ensure that | 10 |
|
| 17 | be careful ensure that | 8 |
|
| 18 | be careful ensure that | 8 |
|
| 19 | be anxious ensure that | 8 |
|
| 20 | be anxious ensure that | 8 |
|
| 21 | be difficult ensure that | 7 |
|
| 22 | be keen ensure that | 7 |
|
| 23 | be keen ensure that | 7 |
|
| 24 | be vital ensure that | 7 |
|
| 25 | be vital ensure that | 7 |
|
| 26 | be difficult ensure that | 7 |
|
| 27 | been [adj] ensure that | 6 |
|
| 28 | were [adj] ensure that | 6 |
|
| 29 | be possible ensure that | 5 |
|
| 30 | be supposed ensure that | 5 |
|
