| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] a [noun] | 22988 |
|
| 2 | be [prep] a [noun] | 9866 |
|
| 3 | [prep] [adv] a [noun] | 3372 |
|
| 4 | be [prep] [adv] [noun] | 322 |
|
| 5 | be [prep] [adv] a | 313 |
|
