| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [prep] [pron] [verb] | 214 |
|
| 2 | [be] [prep] [Wh det] [verb] | 35 |
|
| 3 | be [prep] [Wh det] [verb] | 35 |
|
| 4 | [is] [prep] [Wh det] [verb] | 19 |
|
