| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [verb] at a [adj] | 173 |
|
| 2 | [is] [verb] [prep] a high | 53 |
|
| 3 | [is] [verb] [prep] a high | 53 |
|
| 4 | [be] [verb] at a high | 41 |
|
| 5 | [is] [verb] at [art] high | 7 |
|
| 6 | [is] [verb] at a high | 6 |
|
