| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be an [noun] | 16641 |
|
| 2 | be [noun] [unc] | 6390 |
|
| 3 | an [noun] [unc] | 2313 |
|
| 4 | be an [unc] | 127 |
|
