| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [verb] for | 5399 |
|
| 2 | [been] [verb] for centuries | 38 |
|
| 3 | [verb] [verb] for centuries | 31 |
|
| 4 | [verb] [been] for centuries | 8 |
|
