| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] at | 7087 |
|
| 2 | [verb] at [adj -er] | 232 |
|
| 3 | [be] [verb] [adj -er] | 232 |
|
| 4 | [be] at [adj -er] | 7 |
|
