| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [Wh pn] [modal v] be | 120 |
|
| 2 | [det] [modal v] to be | 74 |
|
| 3 | [Wh pn] [modal v] to be | 61 |
|
| 4 | [det] [Wh pn] [modal v] to | 5 |
|
