| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [prep] some year | 15 |
|
| 2 | have be [vb pp] [prep] some years | 15 |
|
| 3 | have be [vb pp] for some year | 15 |
|
| 4 | has be [vb pp] [prep] some year | 6 |
|
