| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] to be | 316 |
|
| 2 | [adv] [modal v] to be | 158 |
|
| 3 | [Wh det] [adv] [modal v] be | 139 |
|
| 4 | [Wh det] [adv] [modal v] to | 6 |
|
