| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] for many years | 173 |
|
| 2 | [be] [vb pp] for many | 136 |
|
| 3 | [be] [vb pp] for years | 59 |
|
| 4 | [be] for many years | 55 |
|
| 5 | [be] [vb pp] many years | 29 |
|
