| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [prep] many years | 32 |
|
| 2 | been [prep] many years | 25 |
|
| 3 | [vb base] been [prep] many | 12 |
|
| 4 | [vb base] been [prep] years | 10 |
|
