| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been for [adj] months | 7 |
|
| 2 | been for [adj] month | 7 |
|
| 3 | been for [det] month | 5 |
|
| 4 | been for some month | 5 |
|
| 5 | been for some month | 5 |
|
