| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] [verb] [prep] [det] [noun] | 765 |
|
| 2 | [vb -s] [been] [verb] [prep] [adj] year | 228 |
|
| 3 | [verb] [been] [verb] [prep] [det] year | 128 |
|
| 4 | [vb -s] [be] [verb] [prep] [det] year | 48 |
|
