| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] to | 7884 |
|
| 2 | [verb] [v-ing] to | 3790 |
|
| 3 | been [v-ing] to | 634 |
|
| 4 | been [verb] [v-ing] | 613 |
|
