| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] [noun] [Wh det] [am/are] | 19 |
|
| 2 | [modal v] be [prep] [noun] [Wh det] | 15 |
|
| 3 | [modal v] be [noun] [Wh det] [am/are] | 8 |
|
