| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] are [prep] a | 16 |
|
| 2 | [vb pp] are [prep] a | 9 |
|
| 3 | [verb] are of a | 9 |
|
| 4 | [verb] are of a | 9 |
|
