| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [vb mod] [verb] ensure | 6 |
|
| 2 | this [vb mod] [verb] ensure | 6 |
|
| 3 | [det] [vb mod] [verb] ensure | 6 |
|
| 4 | [adj] [vb mod] [vb infin] ensure | 6 |
|
| 5 | [adj] [vb mod] help ensure | 6 |
|
| 6 | [adj] [vb mod] help ensure | 6 |
|
