| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [prep] [noun] [verb] | 243 |
|
| 2 | be [prep] [noun] [Wh det] [verb] | 44 |
|
| 3 | [modal v] be [prep] [noun] [Wh det] | 15 |
|
| 4 | [modal v] be [noun] [Wh det] [verb] | 13 |
|
