| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [Wh adv] [pron] [modal v] be | 56 |
|
| 2 | [Wh adv] [pron] [modal v] [prep] be | 53 |
|
| 3 | 's [Wh adv] [pron] [modal v] [prep] | 17 |
|
