| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [noun] [noun] [subord] | 210 |
|
| 2 | be a [noun pl] [noun] [conj] | 39 |
|
| 3 | be [art] [noun pl] [noun] [subord] | 7 |
|
| 4 | [be] a [noun pl] [noun] [subord] | 6 |
|
