| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] for a | 332 |
|
| 2 | been [vb pp] for a year | 14 |
|
| 3 | have [vb pp] for a year | 12 |
|
| 4 | have been [vb pp] a year | 11 |
|
