| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [vb pp] for [noun] | 242 |
|
| 2 | [verb] been [vb pp] for century | 32 |
|
| 3 | [vb base] been [verb] for century | 10 |
|
| 4 | [vb base] been [vb pp] [prep] century | 9 |
|
| 5 | [vb base] been [vb pp] [prep] century | 9 |
|
| 6 | [vb base] be [vb pp] for century | 8 |
|
| 7 | [vb base] [be] [vb pp] for century | 8 |
|
| 8 | [vb base] been [vb pp] for century | 8 |
|
| 9 | [vb base] [been] [vb pp] for century | 8 |
|
