| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | having [been] [vb pp] for [verb] | 7 |
|
| 2 | [v-ing] been [vb pp] for [verb] | 7 |
|
| 3 | [v-ing] [been] [vb pp] for [v-ing] | 7 |
|
