| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] it [modal v] [vb infin] | 1955 |
|
| 2 | [noun sg] [pron] may [vb infin] | 1556 |
|
| 3 | [noun] it may [vb infin] | 260 |
|
| 4 | [noun sg] it may [verb] | 172 |
|
