| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [adv] to ensure that | 10 |
|
| 2 | be [vb pp] [adv] [to-vb] that | 10 |
|
| 3 | is [vb pp] [adv] [to-vb] that | 8 |
|
| 4 | are [vb pp] [adv] [to-vb] that | 6 |
|
| 5 | was [vb pp] [adv] [to-vb] that | 6 |
|
