| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [am/are] [verb] at a high | 5 |
|
| 2 | [am/are] [verb] at a high [noun sg] | 8 |
|
| 3 | [am/are] [verb] at a high [noun] | 8 |
|
