| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] [modal v] [adv] | 1200 |
|
| 2 | [Wh det] it [modal v] [adv] | 163 |
|
| 3 | [pron] it [modal v] [adv] | 133 |
|
