| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [adv] [pron] [modal v] [vb infin] | 619 |
|
| 2 | [adv] [adv] it [modal v] [vb infin] | 276 |
|
| 3 | [Wh adv] [adv] it [modal v] [vb infin] | 156 |
|
| 4 | [Wh adv] [adv] it [modal v] [verb] | 156 |
|
