| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] for year | 28 |
|
| 2 | have been [vb pp] for five | 11 |
|
| 3 | have [vb pp] for five year | 10 |
|
| 4 | been [vb pp] for five year | 8 |
|
| 5 | have been [vb pp] five year | 5 |
|
