| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [vb pp] [prep] [art] level | 10 |
|
| 2 | had [vb pp] [prep] [art] level | 10 |
|
| 3 | [vb past] [vb pp] to [art] level | 9 |
|
| 4 | [vb past] [vb pp] [prep] the level | 7 |
|
| 5 | [vb past] [vb pp] [prep] the level | 7 |
|
