| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be what [prep] the | 10 |
|
| 2 | be [Wh det] in the | 10 |
|
| 3 | 's [Wh det] [prep] the | 7 |
|
| 4 | be which [prep] the | 5 |
|
