| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [verb] [prep] | 4391 |
|
| 2 | it [vb mod] [verb] [prep] | 4391 |
|
| 3 | [pron] may [verb] [prep] | 2063 |
|
| 4 | it may [verb] [prep] | 361 |
|
