| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] a [det] | 66 |
|
| 2 | [been] [verb] a few | 62 |
|
| 3 | [been] [vb pp] a [det] | 43 |
|
| 4 | [been] [v-ing] a [det] | 21 |
|
