| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been for [noun] | 31 |
|
| 2 | has been for [noun pl] | 22 |
|
| 3 | has been for year | 7 |
|
| 4 | has been for years | 7 |
|
| 5 | has been for [noun sg] | 5 |
|
