| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [ex0] be a [noun] [noun] | 538 |
|
| 2 | [coord] [pron] be a [noun] [noun] | 336 |
|
| 3 | [coord] [ex0] be [art] [noun] [noun] | 306 |
|
| 4 | [coord] [ex0] [be] a [noun] [noun] | 159 |
|
