| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [v-ing] | 19916 |
|
| 2 | [verb] [v-ing] to | 3790 |
|
| 3 | [verb] been to | 970 |
|
| 4 | been [v-ing] to | 634 |
|
