| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] been [verb] [prep] a | 83 |
|
| 2 | having [been] [verb] [prep] a | 83 |
|
| 3 | [v-ing] [been] [vb pp] [prep] a | 82 |
|
| 4 | [v-ing] [been] [verb] by a | 25 |
|
| 5 | [v-ing] [been] [verb] as a | 11 |
|
| 6 | [v-ing] [been] [verb] in a | 9 |
|
| 7 | [v-ing] [been] [verb] to a | 8 |
|
| 8 | [v-ing] [been] [verb] for a | 6 |
|
