| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adv] for [noun pl] | 14 |
|
| 2 | have been [adv] for [noun] | 9 |
|
| 3 | have been [adv] for years | 7 |
|
| 4 | have been [adv] for year | 7 |
|
| 5 | have been [adv prt] for [noun] | 5 |
|
