| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [verb] a | 2016 |
|
| 2 | [vb base] it [modal v] [verb] | 844 |
|
| 3 | [vb base] it [verb] a | 164 |
|
| 4 | [vb base] [modal v] [verb] a | 49 |
|
