| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [verb] for [noun] | 1202 |
|
| 2 | [verb] [been] [verb] for [noun pl] | 424 |
|
| 3 | [verb] [been] [verb] [prep] centuries | 42 |
|
| 4 | [verb] [been] [verb] [prep] centuries | 42 |
|
| 5 | [verb] [been] [verb] for centuries | 37 |
|
| 6 | [verb] [been] [verb] for century | 37 |
|
| 7 | [verb] [be] [verb] for centuries | 37 |
|
