| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [been] for [noun] | 21 |
|
| 2 | [pron] [verb] [been] for century | 6 |
|
| 3 | it [verb] [be] for century | 6 |
|
| 4 | it [verb] [been] for century | 6 |
|
| 5 | it [verb] [been] [prep] century | 6 |
|
| 6 | it [verb] [been] [prep] century | 6 |
|
