| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [been] [prep] [det] [noun] | 131 |
|
| 2 | [verb] [been] [prep] [det] year | 38 |
|
| 3 | [vb base] [been] [prep] [adj] year | 11 |
|
| 4 | [vb base] [be] [prep] [det] year | 8 |
|
| 5 | [vb base] [been] [prep] [det] year | 7 |
|
