| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [verb] [conj] | 16696 |
|
| 2 | and [to-vb] [conj] | 830 |
|
| 3 | and ensure [conj] | 510 |
|
| 4 | [conj] to ensure [conj] | 220 |
|
