| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [prep] | 65865 |
|
| 2 | [v-ing] [verb] [prep] | 12244 |
|
| 3 | [v-ing] been [verb] | 1614 |
|
| 4 | [v-ing] been [prep] | 160 |
|
