| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been for [noun pl] | 84 |
|
| 2 | been for years | 30 |
|
| 3 | been for centuries | 8 |
|
| 4 | been for weeks | 5 |
|
| 5 | been for months | 5 |
|
