| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] be [adv] [adj] | 478 |
|
| 2 | [prep] [Wh det] [modal v] be [adj] | 138 |
|
| 3 | [prep] [Wh det] [modal v] be [adv] | 70 |
|
| 4 | [prep] [modal v] be [adv] [adj] | 8 |
|
