| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [adv] [conj] [verb] | 894 |
|
| 2 | [be] [vb pp] [adv] [conj] [to-vb] | 192 |
|
| 3 | [be] [vb pp] [adv] [conj] ensure | 6 |
|
| 4 | [be] [verb] [adv] [conj] to ensure | 5 |
|
| 5 | [be] [vb pp] [adv] [conj] to ensure | 5 |
|
