| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [v-ing] [prep] [noun pl] | 95 |
|
| 2 | been [v-ing] [prep] several [noun pl] | 26 |
|
| 3 | [vb past] been [v-ing] [prep] several | 11 |
|
