| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so it [is] [adv] [adj] [to-vb] | 21 |
|
| 2 | so it [is] [adv] [adj] [to-vb] | 21 |
|
| 3 | so it is [adv] [adj] [to-vb] | 18 |
|
| 4 | so it [is] [adv] important [to-vb] | 5 |
|
