| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] for [det] years | 16 |
|
| 2 | be [verb] for [det] years | 16 |
|
| 3 | [be] [verb] for many years | 9 |
|
| 4 | [be] [verb] for several years | 7 |
|
