| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [prep] a [adj] | 389 |
|
| 2 | [been] [prep] [art] [det] | 102 |
|
| 3 | [be] [prep] a [det] | 87 |
|
| 4 | [been] [prep] a [det] | 16 |
|
