| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] [prep] [num] [noun] | 861 |
|
| 2 | [be] [vb pp] [prep] [num] years | 754 |
|
| 3 | [been] [vb pp] [prep] [num] [noun pl] | 596 |
|
| 4 | [been] [vb pp] [prep] [adj] years | 359 |
|
| 5 | [been] [verb] [prep] [num] years | 275 |
|
| 6 | [been] [vb pp] [prep] [num] year | 169 |
|
