| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] for [noun] | 1439 |
|
| 2 | been [verb] for [noun pl] | 491 |
|
| 3 | been [verb] [prep] centuries | 43 |
|
| 4 | be [verb] for centuries | 42 |
|
| 5 | [be] [verb] for centuries | 42 |
|
| 6 | [been] [verb] for centuries | 38 |
|
| 7 | been [verb] for century | 38 |
|
