| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a [noun] | 133612 |
|
| 2 | be a [noun] | 133582 |
|
| 3 | be [art] [noun] | 31293 |
|
| 4 | [be] a [noun] | 19044 |
|
