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