| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] at a | 222 |
|
| 2 | [is] [vb pp] at [noun pl] | 82 |
|
| 3 | [vb pp] at a [noun pl] | 39 |
|
| 4 | [is] [vb pp] a [noun pl] | 5 |
|
