| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | both [prep] [art] [adj] level | 14 |
|
| 2 | both [prep] [art] [adj] level | 13 |
|
| 3 | both [prep] [art] level of | 14 |
|
| 4 | both [prep] [art] level of | 14 |
|
| 5 | both [prep] [art] level [prep] | 14 |
|
| 6 | both [prep] [art] level [prep] | 14 |
|
