| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] been for centuries | 6 |
|
| 2 | [pers pn] [verb] been for centuries | 6 |
|
| 3 | it [verb] been for centuries | 6 |
|
| 4 | [pron] [verb] been for centuries | 6 |
|
| 5 | [verb] been [verb] for centuries | 37 |
|
| 6 | [verb] been [vb pp] for centuries | 32 |
|
| 7 | [verb] been [adj] for centuries | 8 |
|
| 8 | [verb] been [adj] for centuries | 8 |
|
| 9 | [verb] been [v-ing] for centuries | 5 |
|
