| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] to ensure that the | 39 |
|
| 2 | [adv] [vb pp] to ensure that [art] | 18 |
|
| 3 | also [verb] to ensure that [art] | 12 |
|
| 4 | [adv] [vb infin] to ensure that [art] | 6 |
|
| 5 | [adv] [vb -s] to ensure that [art] | 5 |
|
| 6 | [adv] need to ensure that [art] | 5 |
|
| 7 | [adv] [v-ing] to ensure that [art] | 5 |
|
| 8 | [adv] help to ensure that [art] | 5 |
|
