| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [vb pp] at a | 187 |
|
| 2 | [be] [vb pp] at a [adj -er] | 144 |
|
| 3 | [prep] [be] [vb pp] a [adj -er] | 12 |
|
| 4 | [prep] [be] [vb pp] at [adj -er] | 8 |
|
