| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun pl] [verb] at a high | 5 |
|
| 2 | [noun pl] be [verb] at a high | 6 |
|
| 3 | [noun pl] [be] [verb] at a high | 6 |
|
| 4 | [noun pl] [verb] at a high [noun sg] | 10 |
|
| 5 | [noun pl] [verb] at a high [noun] | 10 |
|
| 6 | [noun pl] [verb] at a high level | 6 |
|
| 7 | [noun pl] [verb] at a high level | 6 |
|
