| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] it be [verb] [verb] | 91 |
|
| 2 | at [Wh det] [pron] be [verb] [verb] | 26 |
|
| 3 | at [Wh det] it [be] [verb] [verb] | 10 |
|
| 4 | at [pron] it be [verb] [verb] | 10 |
|
