| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it [modal v] have | 92 |
|
| 2 | [vb infin] [Wh adv] it [modal v] | 90 |
|
| 3 | [vb infin] it [modal v] have | 50 |
|
