| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [adv] [modal v] to [be] | 5 |
|
| 2 | [Wh pn] [adv] [modal v] to be | 5 |
|
| 3 | [Wh pn] [adv] [modal v] to be | 5 |
|
| 4 | [Wh pn] [adv] [modal v] to [be] | 5 |
|
