| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adv] for six | 12 |
|
| 2 | [verb] been [adv] for six | 12 |
|
| 3 | been [adv] for six [noun] | 12 |
|
| 4 | been [adv] for six [noun pl] | 12 |
|
| 5 | been [adv] for six months | 6 |
|
| 6 | been [adv] for six month | 6 |
|
