| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [adv] [adj] level of [noun sg] | 7 |
|
| 2 | and [adv] [adj] level [prep] [noun sg] | 7 |
|
| 3 | and [adv] [adj] level of [noun sg] | 7 |
|
