| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it [vb mod] [vb infin] | 517 |
|
| 2 | [Wh adv] it [modal v] [vb infin] | 517 |
|
| 3 | [adv] it may [vb infin] | 141 |
|
| 4 | [Wh adv] [pron] may [vb infin] | 129 |
|
| 5 | [Wh adv] it may [verb] | 29 |
|
| 6 | [Wh adv] it may [vb infin] | 29 |
|
