| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] [adj] year | 143 |
|
| 2 | [been] [vb pp] [num] year | 68 |
|
| 3 | [be] [vb pp] ten year | 21 |
|
| 4 | [been] [vb pp] ten [noun] | 10 |
|
| 5 | [been] [verb] ten year | 9 |
|
| 6 | [been] [vb pp] ten year | 7 |
|
