| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [verb] [prep] a [noun pl] | 12 |
|
| 2 | [adv] be [vb pp] [prep] a [noun pl] | 12 |
|
| 3 | [adv] be [prep] a [adj] [noun pl] | 8 |
|
