| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [det] a [noun] | 1859 |
|
| 2 | be [det] [det] [noun] | 885 |
|
| 3 | [det] [det] a [noun] | 183 |
|
| 4 | be [det] [det] a | 32 |
|
