| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [prep] [det] [noun] a | 19 |
|
| 2 | [be] [prep] [det] year a | 13 |
|
| 3 | [been] [prep] [det] year [art] | 9 |
|
| 4 | [been] [prep] [adj] year a | 8 |
|
| 5 | [been] [prep] [det] year a | 5 |
|
