| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] for some year | 20 |
|
| 2 | be [vb pp] for some year | 20 |
|
| 3 | [be] [vb pp] for some years | 20 |
|
| 4 | [been] [vb pp] for some year | 17 |
|
| 5 | been [vb pp] for some year | 17 |
|
