| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] many | 2671 |
|
| 2 | [prep] many years | 2188 |
|
| 3 | [vb pp] [prep] years | 392 |
|
| 4 | [vb pp] many years | 98 |
|
