| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is at a high [noun sg] | 10 |
|
| 2 | is at [art] high level | 6 |
|
| 3 | is at [art] higher [noun sg] | 5 |
|
| 4 | is at [art] high [noun sg] | 5 |
|
