| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adj] level of [noun sg] [noun sg] | 21 |
|
| 2 | [adv] [adj] level [prep] [noun sg] [noun sg] | 21 |
|
| 3 | [adv] high level [prep] [noun sg] [noun sg] | 9 |
|
| 4 | [adv] low level [prep] [noun sg] [noun sg] | 5 |
|
