| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [vb pp] for some year | 8 |
|
| 2 | [vb -s] be [vb pp] for some year | 8 |
|
| 3 | [vb -s] be [vb pp] for some years | 8 |
|
| 4 | [vb -s] be [vb pp] for some year | 8 |
|
| 5 | has be [vb pp] for some year | 6 |
|
