| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [prep] a [noun] | 1341 |
|
| 2 | [Wh det] be [adv] a [noun] | 371 |
|
| 3 | [Wh det] be [adv] [prep] [noun] | 339 |
|
| 4 | [Wh det] be [prep] a [noun] | 134 |
|
| 5 | [Wh det] be [adv] [prep] a | 44 |
|
