| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adv] that | 1047 |
|
| 2 | [adv] to ensure that | 210 |
|
| 3 | [v-ing] to ensure that | 88 |
|
| 4 | [v-ing] [adv] to ensure | 20 |
|
