| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] at a | 251 |
|
| 2 | [vb pp] at a [adj -er] | 251 |
|
| 3 | [is] at a [adj -er] | 18 |
|
| 4 | [is] [vb pp] at [adj -er] | 14 |
|
| 5 | [is] [vb pp] a [adj -er] | 14 |
|
