| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [be] a [noun] ['s] | 48 |
|
| 2 | to [be] [art] [noun pl] ['s] | 15 |
|
| 3 | [prep] [be] a [noun pl] ['s] | 10 |
|
| 4 | to [be] a [noun pl] [unc] | 8 |
|
