| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [adv] six [noun pl] | 9 |
|
| 2 | been [adv] six [noun] | 8 |
|
| 3 | been [adv] six month | 7 |
|
| 4 | been [adv] six months | 6 |
|
