| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [conj] [v-ing] | 12 |
|
| 2 | [been] [subord] [v-ing] | 8 |
|
| 3 | [been] when [v-ing] | 5 |
|
| 4 | [been] when [v-ing] | 5 |
|
