| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [verb] [prep] a [adj] | 2874 |
|
| 2 | [been] [verb] [prep] [art] first | 145 |
|
| 3 | [be] [verb] [prep] a first | 39 |
|
| 4 | [been] [verb] [prep] a first | 5 |
|
