| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for 12 [noun pl] | 11 |
|
| 2 | have been [vb pp] for 12 [noun] | 9 |
|
| 3 | has been [verb] for 12 [noun] | 9 |
|
| 4 | have been [verb] for 12 year | 7 |
|
| 5 | have been [verb] for 12 years | 7 |
|
