| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] be [vb pp] [prep] a [noun pl] | 20 |
|
| 2 | [noun pl] were [vb pp] [prep] a [noun pl] | 11 |
|
| 3 | [noun pl] are [vb pp] [prep] a [noun pl] | 11 |
|
| 4 | [noun pl] be [vb pp] in a [noun pl] | 5 |
|
