| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [adj -er] | 405 |
|
| 2 | [is] [verb] at a | 327 |
|
| 3 | [is] [verb] a [adj -er] | 80 |
|
| 4 | [is] at a [adj -er] | 16 |
|
| 5 | [is] [verb] at [adj -er] | 16 |
|
