| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [art] [noun] | 258723 |
|
| 2 | be [art] [noun] | 258723 |
|
| 3 | be a [noun] | 133582 |
|
| 4 | [be] an [noun] | 16642 |
|
