| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so it is [adj] [to-vb] that | 16 |
|
| 2 | so it is [adj] ensure that | 6 |
|
| 3 | so it is [adj] to ensure that | 6 |
|
| 4 | so it is important [verb] that | 5 |
|
